Canyon Jerboa

Landfall — Whenever a land you control enters, creatures you control get +1/+1 until end of turn.

Mountain Goat

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Birds of Paradise

Elephant Ambush

Create a 3/3 green Elephant creature token.
Flashback {6}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Windswept Heath

{T}, Pay 1 life, Sacrifice this land: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Killer Whale

{U}: This creature gains flying until end of turn.

Tropical Island

Underground Sea

Tsunami

Prevent all combat damage that would be dealt this turn.

Ice Tunnel

({T}: Add {U} or {B}.)
This land enters tapped.

Manta Ray

This creature can't attack unless defending player controls an Island.
This creature can't be blocked except by blue creatures.
When you control no Islands, sacrifice this creature.

King Crab

{1}{U}, {T}: Put target green creature on top of its owner's library.

Polluted Delta

{T}, Pay 1 life, Sacrifice this land: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

Glimpse of Nature

Whenever you cast a creature spell this turn, draw a card.

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Woodland Chasm

({T}: Add {B} or {G}.)
This land enters tapped.

Plains

Charging Badger

Woolly Mammoths

This creature has trample as long as you control a snow land.

Tundra Wolves

First strike (This creature deals combat damage before creatures without first strike.)

Hurricane

Hurricane deals X damage to each creature with flying and each player.

Badlands

Kingfisher

Flying
When this creature dies, draw a card.

Extinction

Destroy all creatures of the creature type of your choice.

Arctic Wolves

Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
When this creature enters, draw a card.

Gigantosaurus

Poison Dart Frog

Reach
{T}: Add one mana of any color.
{2}: This creature gains deathtouch until end of turn.

Forest

Drought

At the beginning of your upkeep, sacrifice this enchantment unless you pay {W}{W}.
Spells cost an additional "Sacrifice a Swamp" to cast for each black mana symbol in their mana costs.
Activated abilities cost an additional "Sacrifice a Swamp" to activate for each black mana symbol in their activation costs.

Locust Swarm

Flying
{G}: Regenerate this creature.
{G}: Untap this creature. Activate only once each turn.

Mountain

Slashing Tiger

Whenever this creature becomes blocked, it gets +2/+2 until end of turn.

Firefly

Flying
{R}: This creature gets +1/+0 until end of turn.

Savannah

Explore

You may play an additional land this turn.
Draw a card.

Chambered Nautilus

Whenever this creature becomes blocked, you may draw a card.

Lynx

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Warthog

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Brushland

{T}: Add {C}.
{T}: Add {G} or {W}. This land deals 1 damage to you.

Giant Warthog

Hunting Grounds

Threshold — As long as seven or more cards are in your graveyard, this enchantment has "Whenever an opponent casts a spell, you may put a creature card from your hand onto the battlefield."

Plateau

Migration Path

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
Cycling {2} ({2}, Discard this card: Draw a card.)

Island

Spiny Starfish

{U}: Regenerate this creature.
At the beginning of each end step, if this creature regenerated this turn, create a 0/1 blue Starfish creature token for each time it regenerated this turn.

Man-o'-War

When this creature enters, return target creature to its owner's hand.

Timber Wolves

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Hammerhead Shark

This creature can't attack unless defending player controls an Island.

Horseshoe Crab

Anaconda

Jackal Pup

Whenever this creature is dealt damage, it deals that much damage to you.

Hornet Nest

Defender (This creature can't attack.)
Whenever this creature is dealt damage, create that many 1/1 green Insect creature tokens with flying and deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Flood

{U}{U}: Tap target creature without flying.

Wild Dogs

At the beginning of your upkeep, if a player has more life than each other player, the player with the most life gains control of this creature.
Cycling {2} ({2}, Discard this card: Draw a card.)

Emerald Dragonfly

Flying
{G}{G}: This creature gains first strike until end of turn.

Swamp

Blister Beetle

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

Camel

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)
As long as this creature is attacking, prevent all damage Deserts would deal to this creature and to creatures banded with this creature.

Coral Eel

Desert Twister

Volcanic Island

Grizzly Bears

Bayou

Kenrith, the Returned King

{R}: All creatures gain trample and haste until end of turn.
{1}{G}: Put a +1/+1 counter on target creature.
{2}{W}: Target player gains 5 life.
{3}{U}: Target player draws a card.
{4}{B}: Put target creature card from a graveyard onto the battlefield under its owner's control.

Snow-Covered Forest

Arctic Treeline

({T}: Add {G} or {W}.)
This land enters tapped.

Flooded Strand

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

Scrubland

Whippoorwill

{G}{G}, {T}: Target creature can't be regenerated this turn. Damage that would be dealt to that creature this turn can't be prevented or dealt instead to another permanent or player. When the creature dies this turn, exile the creature.

Tundra

Animal Sanctuary

{T}: Add {C}.
{2}, {T}: Put a +1/+1 counter on target Bird, Cat, Dog, Goat, Ox, or Snake.

Glacial Floodplain

({T}: Add {W} or {U}.)
This land enters tapped.

Underground River

{T}: Add {C}.
{T}: Add {U} or {B}. This land deals 1 damage to you.

Snow-Covered Swamp

Sulfurous Springs

{T}: Add {C}.
{T}: Add {B} or {R}. This land deals 1 damage to you.

Marsh Flats

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

Cyclone

At the beginning of your upkeep, put a wind counter on this enchantment, then sacrifice this enchantment unless you pay {G} for each wind counter on it. If you pay, this enchantment deals damage equal to the number of wind counters on it to each creature and each player.

Electric Eel

When this creature enters, it deals 1 damage to you.
{R}{R}: This creature gets +2/+0 until end of turn and deals 1 damage to you.

Misty Rainforest

{T}, Pay 1 life, Sacrifice this land: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

Alpine Meadow

({T}: Add {R} or {W}.)
This land enters tapped.

Pygmy Hippo

Whenever this creature attacks and isn't blocked, you may have defending player activate a mana ability of each land they control and lose all unspent mana. If you do, this creature assigns no combat damage this turn and at the beginning of your next main phase this turn, you add an amount of {C} equal to the amount of mana that player lost this way.

Wooded Foothills

{T}, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

Stag Beetle

This creature enters with X +1/+1 counters on it, where X is the number of other creatures on the battlefield.

School of Piranha

At the beginning of your upkeep, sacrifice this creature unless you pay {1}{U}.

Tarpan

When this creature dies, you gain 1 life.

Giant Tortoise

This creature gets +0/+3 as long as it's untapped.

Snow-Covered Mountain

Overwhelming Stampede

Until end of turn, creatures you control gain trample and get +X/+X, where X is the greatest power among creatures you control.

Snow-Covered Island

Arctic Foxes

This creature can't be blocked by creatures with power 2 or greater as long as defending player controls a snow land.

Game Preserve

At the beginning of your upkeep, each player reveals the top card of their library. If all cards revealed this way are creature cards, put those cards onto the battlefield under their owners' control.

Highland Forest

({T}: Add {R} or {G}.)
This land enters tapped.

City Pigeon

Flying
When this creature leaves the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Python

Taiga

Giant Octopus

Snow-Covered Plains

Stampede

Attacking creatures get +1/+0 and gain trample until end of turn.

Arid Mesa

{T}, Pay 1 life, Sacrifice this land: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

Extinction Event

Choose odd or even. Exile each creature with mana value of the chosen quality. (Zero is even.)