Forest

Swamp

Zagoth Mamba

Whenever this creature mutates, target creature an opponent controls gets -2/-2 until end of turn.

Angelic Rocket

Flying
When this creature enters, you may destroy target nonland permanent.

Refibrillator

Whenever you crank this Contraption, return target creature card from your graveyard to your hand.

Tread Mill

Whenever you crank this Contraption, until end of turn, target creature gets +1/+2, gains vigilance, and becomes an artifact in addition to its other types.

Sunbillow Verge

{T}: Add {W}.
{T}: Add {R}. Activate only if you control a Mountain or a Plains.

Ninja

You may activate this card's augment ability any time you could cast an instant.
Whenever this creature deals combat damage to a player,
Augment {2}{B} ({2}{B}, Reveal this card from your hand: Combine it with target host. Augment only as—oh, never mind.)

Auspicious Starrix

Mutate {5}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Whenever this creature mutates, exile cards from the top of your library until you exile X permanent cards, where X is the number of times this creature has mutated. Put those permanent cards onto the battlefield.

Pillarverge Pathway

Needleverge Pathway

Needleverge Pathway // Pillarverge Pathway

Volcanic Island

Crafty Octopus

When this creature enters, this creature assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

Serpentine

Landfall — Whenever a land you control enters,
Augment {2}{G} ({2}{G}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Murkwater Pathway

Clearwater Pathway

Clearwater Pathway // Murkwater Pathway

Strutting Turkey

When this creature enters,
exile target creature card with mana value 2 or less from your graveyard. If it has augment, combine it with a host you control. Otherwise, put it onto the battlefield.

Savai Triome

({T}: Add {R}, {W}, or {B}.)
This land enters tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)

Pollywog Symbiote

Each creature spell you cast costs {1} less to cast if it has mutate.
Whenever you cast a creature spell, if it has mutate, draw a card, then discard a card.

Applied Aeronautics

Whenever you crank this Contraption, until end of turn, target creature gets +1/+0, gains flying, and becomes an artifact in addition to its other types.

Skycloud Expanse

Ketria Triome

({T}: Add {G}, {U}, or {R}.)
This land enters tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)

Timbercrown Pathway

Cragcrown Pathway

Cragcrown Pathway // Timbercrown Pathway

Tundra

Sea-Dasher Octopus

Mutate {1}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flash
Whenever this creature deals combat damage to a player, draw a card.

Trumpeting Gnarr

Mutate {3}{G/U}{G/U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Whenever this creature mutates, create a 3/3 green Beast creature token.

Gemrazer

Mutate {1}{G}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Reach, trample
Whenever this creature mutates, destroy target artifact or enchantment an opponent controls.

Lore Drakkis

Mutate {U/R}{U/R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Whenever this creature mutates, return target instant or sorcery card from your graveyard to your hand.

Lavaglide Pathway

Riverglide Pathway

Riverglide Pathway // Lavaglide Pathway

Indatha Triome

({T}: Add {W}, {B}, or {G}.)
This land enters tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)

Division Table

Whenever you crank this Contraption, target player loses 2 life.

Optical Optimizer

Whenever you crank this Contraption, until end of turn, target creature becomes an artifact in addition to its other types and gains "{T}: Draw a card."

Steam-Powered

{5}:
Augment {4} ({4}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Top-Secret Tunnel

Whenever you crank this Contraption, target creature can't be blocked this turn.

Goblin Slingshot

Whenever you crank this Contraption, creatures you control get +2/+0 and gain trample until end of turn.

Mer Man

When this creature enters, you may draw a card.

Grimclimb Pathway

Brightclimb Pathway

Brightclimb Pathway // Grimclimb Pathway

Genetic Recombinator

Whenever you crank this Contraption, up to two target creatures each get +2/+2 until end of turn.

Arms Depot

Whenever you crank this Contraption, put two +1/+1 counters on target creature.

Plains

Dr. Julius Jumblemorph

Dr. Julius Jumblemorph is every creature type (even if this card isn't on the battlefield).
Whenever a host you control enters, you may search your library and/or graveyard for a card with augment and combine it with that host. If you search your library this way, shuffle.

Monkey-

Whenever a nontoken creature you control dies,
Augment {2}{G} ({2}{G}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Clever Combo

Search your library for a host card or a card with augment, reveal it, put it into your hand, then shuffle.

Wastewood Verge

{T}: Add {G}.
{T}: Add {B}. Activate only if you control a Swamp or a Forest.

Zagoth Triome

({T}: Add {B}, {G}, or {U}.)
This land enters tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)

Surgeon General Commander

Whenever you augment, enchant, or mutate a creature you control, draw a card.
{T}: Add {W}, {U}, {B}, {R}, or {G}.

Bleachbone Verge

{T}: Add {B}.
{T}: Add {W}. Activate only if you control a Plains or a Swamp.

Eager Beaver

When this creature enters, you may untap target permanent.

Sap Sucker

Whenever you crank this Contraption, add {G}. Until end of turn, you don't lose this mana as steps and phases end.

Tidechannel Pathway

Barkchannel Pathway

Barkchannel Pathway // Tidechannel Pathway

Numbing Jellyfish

When this creature enters, roll a six-sided die. Target player mills X cards, where X is the result.

Stinging Scorpion

When this creature enters, target creature an opponent controls gets -1/-1 until end of turn.

Overflowing Basin

Savannah

Oaken Power Suit

Whenever you crank this Contraption, target creature gets +X/+X until end of turn, where X is the greatest power among creatures you control.

Dispatch Dispensary

Whenever you crank this Contraption, create a 2/2 black Rogue creature token with menace.

Plateau

Sundering Fork

Whenever you crank this Contraption, destroy target artifact.

Vulpikeet

Mutate {2}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flying
Whenever this creature mutates, put a +1/+1 counter on it.

Targeting Rocket

Whenever you crank this Contraption, target creature blocks this turn if able.

Boomflinger

Whenever you crank this Contraption, roll two six-sided dice. This Contraption deals damage to target player or planeswalker equal to the difference between those results.

Gift Horse

Whenever you crank this Contraption, roll two six-sided dice. Create a number of 1/1 red Goblin creature tokens equal to the difference between those results.

Snow-Covered Plains

Everquill Phoenix

Mutate {3}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flying
Whenever this creature mutates, create a red artifact token named Feather with "{1}, Sacrifice this token: Return target Phoenix card from your graveyard to the battlefield tapped."

Raugrin Triome

({T}: Add {U}, {R}, or {W}.)
This land enters tapped.
Cycling {3} ({3}, Discard this card: Draw a card.)

Hypnotic Swirly Disc

Whenever you crank this Contraption, target player mills X cards, where X is the number of creatures you control.

Accessories to Murder

Whenever you crank this Contraption, target creature gets +X/+0 until end of turn, where X is the number of creatures you control.

Twiddlestick Charger

Whenever you crank this Contraption, tap or untap target creature.

Mountain

Auto-Key

Whenever you crank this Contraption, until end of turn, target creature becomes an artifact in addition to its other types and gains "{T}: You gain 3 life."

Bee-Bee Gun

Whenever you crank this Contraption, until end of turn, target creature gains "{2}: This creature fights another target creature."

Necropanther

Mutate {2}{W/B}{W/B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Whenever this creature mutates, return target creature card with mana value 3 or less from your graveyard to the battlefield.

Mossfire Valley

Common Iguana

When this creature enters, you may discard a card. If you do, draw a card.

Voracious Vacuum

When this creature enters, put a +1/+1 counter on target creature.

Robo-

At the beginning of each end step, if an artifact entered the battlefield under your control this turn,
Augment {2} ({2}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Wild Crocodile

When this creature enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Boulderloft Pathway

Branchloft Pathway

Branchloft Pathway // Boulderloft Pathway

Shadowblood Ridge

Searstep Pathway

Blightstep Pathway

Blightstep Pathway // Searstep Pathway

Rapid Prototyper

Whenever you crank Rapid Prototyper, create an X/X colorless Construct artifact creature token, where X is the number of artifacts you control.

Porcuparrot

Mutate {2}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
{T}: This creature deals X damage to any target, where X is the number of times this creature has mutated.

Mistgate Pathway

Hengegate Pathway

Hengegate Pathway // Mistgate Pathway

Slitherbore Pathway

Darkbore Pathway

Darkbore Pathway // Slitherbore Pathway

Snow-Covered Island

Sungrass Prairie

Snow-Covered Forest

Blazemire Verge

{T}: Add {B}.
{T}: Add {R}. Activate only if you control a Swamp or a Mountain.

Ordinary Pony

When this creature enters, you may exile target non-Horse creature you control that wasn't put onto the battlefield with this ability this turn, then return it to the battlefield under its owner's control.

Vadrok, Apex of Thunder

Mutate {1}{W/U}{R}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flying, first strike
Whenever this creature mutates, you may cast target noncreature card with mana value 3 or less from your graveyard without paying its mana cost.

Cavern Whisperer

Mutate {3}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Menace (This creature can't be blocked except by two or more creatures.)
Whenever this creature mutates, each opponent discards a card.

Willowrush Verge

{T}: Add {U}.
{T}: Add {G}. Activate only if you control a Forest or an Island.

Otrimi, the Ever-Playful

Mutate {1}{B}{G}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Trample
Whenever this creature deals combat damage to a player, return target creature card with mutate from your graveyard to your hand.

Badlands

Hard Hat Area

Whenever you crank this Contraption, roll two six-sided dice. This Contraption assembles a number of Contraptions equal to the difference between those results. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

Zombified

{4}{B}: Combine this card from your graveyard with target host.
{2}{B}, Exile a creature card from your graveyard:
Augment {4}{B} ({4}{B}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Turbo-Thwacking Auto-Hammer

Whenever you crank this Contraption, target creature gains double strike until end of turn.

Mindleecher

Mutate {4}{B} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flying
Whenever this creature mutates, exile the top card of each opponent's library face down. You may look at and play those cards for as long as they remain exiled.

Bayou

Humming-

Flying
Whenever you attack with two or more creatures,
Augment {3}{W} ({3}{W}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Lackey Recycler

Whenever you crank this Contraption, put target creature card from your graveyard on top of your library.

Record Store

Whenever you crank this Contraption, look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in a random order.

Snow-Covered Mountain

Faerie Aerie

Whenever you crank this Contraption, create two 1/1 blue Faerie Spy creature tokens with flying, haste, and "Whenever this token deals combat damage to a player, draw a card." Exile them at the beginning of the next end step.

Gnome-Made Engine

When this creature enters, create a 1/1 colorless Gnome artifact creature token.

Buzz Buggy

Whenever you crank this Contraption, target creature gets +2/+0 and gains trample until end of turn.

Viridescent Bog

Adorable Kitten

When this creature enters, roll a six-sided die. You gain life equal to the result.