Mantis Engine

{2}: This creature gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)
{2}: This creature gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Mental Discipline

Plains

Thieving Magpie

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever this creature deals damage to an opponent, draw a card.

Hermetic Study

Enchant creature
Enchanted creature has "{T}: This creature deals 1 damage to any target."

Tablet of Epityr

Whenever an artifact you control is put into a graveyard from the battlefield, you may pay {1}. If you do, you gain 1 life.

Sustainer of the Realm

Flying
Whenever this creature blocks, it gets +0/+2 until end of turn.

Urza's Power Plant

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

Mass Production

Create four 1/1 colorless Soldier artifact creature tokens.

Whalebone Glider

{2}, {T}: Target creature with power 3 or less gains flying until end of turn.

Horizon Stone

If you would lose unspent mana, that mana becomes colorless instead.

Teferi's Moat

As this enchantment enters, choose a color.
Creatures of the chosen color without flying can't attack you.

Urza's Rebuff

Choose one —
• Counter target spell.
• Tap up to two target creatures.

Clay Statue

Urza's Cave

{T}: Add {C}.
{3}, {T}, Sacrifice this land: Search your library for a land card, put it onto the battlefield tapped, then shuffle.

Pristine Talisman

Tower Worker

Reach
{T}: Add {C}. If you control creatures named Mine Worker and Power Plant Worker, add {C}{C}{C} instead.

Amulet of Kroog

{2}, {T}: Prevent the next 1 damage that would be dealt to any target this turn.

Machine Over Matter

This spell costs {1} less to cast if you control an artifact creature.
Return target nonland permanent to its owner's hand.

Mine Worker

{T}: You gain 1 life. If you control creatures named Power Plant Worker and Tower Worker, you gain 3 life instead.

Sanctum Custodian

{T}: Prevent the next 2 damage that would be dealt to any target this turn.

Beast of Burden

Beast of Burden's power and toughness are each equal to the number of creatures on the battlefield.

Onulet

When this creature dies, you gain 2 life.

Perilous Vault

{5}, {T}, Exile this artifact: Exile all nonland permanents.

Obelisk of Undoing

{6}, {T}: Return target permanent you both own and control to your hand.

Urza's Avenger

{0}: This creature gets -1/-1 and gains your choice of banding, flying, first strike, or trample until end of turn. (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.)

Urza's Armor

If a source would deal damage to you, prevent 1 of that damage.

Urza's Tower

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

Juggernaut

This creature attacks each combat if able.
This creature can't be blocked by Walls.

Jalum Tome

{2}, {T}: Draw a card, then discard a card.

Urza's Factory

{T}: Add {C}.
{7}, {T}: Create a 2/2 colorless Assembly-Worker artifact creature token.

Island

Urza's Mine

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

Pledge of Loyalty

Enchant creature
Enchanted creature has protection from the colors of permanents you control. This effect doesn't remove this Aura.

Rescue

Return target permanent you control to its owner's hand.

Calamity's Wake

Exile all graveyards. Players can't cast noncreature spells this turn. Exile Calamity's Wake.

Mightstone

Rewards of Diversity

Whenever an opponent casts a multicolored spell, you gain 4 life.

Tocasia's Dig Site

{T}: Add {C}.
{3}, {T}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Platoon Dispenser

At the beginning of your end step, if you control two or more other creatures, draw a card.
{3}{W}: Create a 1/1 colorless Soldier artifact creature token.
Unearth {2}{W}{W}

Angelic Curator

Energy Refractor

When this artifact enters, draw a card.
{2}: Add one mana of any color.

Extruder

Echo {4} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
Sacrifice an artifact: Put a +1/+1 counter on target creature.

Kayla's Music Box

{W}, {T}: Look at the top card of your library, then exile it face down. (You may look at it any time.)
{T}: Until end of turn, you may play cards you own exiled with Kayla's Music Box.

Disrupt

Counter target instant or sorcery spell unless its controller pays {1}.
Draw a card.

Illuminated Wings

Enchant creature
Enchanted creature has flying.
{2}, Sacrifice this Aura: Draw a card.

Grapeshot Catapult

{T}: This creature deals 1 damage to target creature with flying.

Healing Salve

Choose one —
• Target player gains 3 life.
• Prevent the next 3 damage that would be dealt to any target this turn.

Dragon Engine

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

Deadly Riposte

Deadly Riposte deals 3 damage to target tapped creature and you gain 2 life.

Metathran Soldier

Thran Foundry

{1}, {T}, Exile this artifact: Target player shuffles their graveyard into their library.

Argivian Avenger

{1}: Until end of turn, this creature gets -1/-1 and gains your choice of flying, vigilance, deathtouch, or haste.

Thran Lens

Urza, Prince of Kroog

Artifact creatures you control get +2/+2.
{6}: Create a token that's a copy of target artifact you control, except it's a 1/1 Soldier creature in addition to its other types.

Planar Collapse

At the beginning of your upkeep, if there are four or more creatures on the battlefield, sacrifice this enchantment and destroy all creatures. They can't be regenerated.

Yotian Soldier

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Ornithopter

Urza's Chalice

Whenever a player casts an artifact spell, you may pay {1}. If you do, you gain 1 life.

Urza's Ruinous Blast

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Exile all nonland permanents that aren't legendary.

Wall of Junk

Defender (This creature can't attack.)
When this creature blocks, return it to its owner's hand at end of combat. (Return it only if it's on the battlefield.)

Rakalite

{2}: Prevent the next 1 damage that would be dealt to any target this turn. Return this artifact to its owner's hand at the beginning of the next end step.

Port Town

As this land enters, you may reveal a Plains or Island card from your hand. If you don't, this land enters tapped.
{T}: Add {W} or {U}.

Powerstone Shard

{T}: Add {C} for each artifact you control named Powerstone Shard.

Loran, Disciple of History

Whenever Loran or another legendary creature you control enters, return target artifact card from your graveyard to your hand.

Wings of Hope

Enchant creature
Enchanted creature gets +1/+3 and has flying.

Gainsay

Confound

Counter target spell that targets a creature.
Draw a card.

Jade Monolith

{1}: The next time a source of your choice would deal damage to target creature this turn, that source deals that damage to you instead.

Word of Undoing

Return target creature and all white Auras you own attached to it to their owners' hands.