, : Target creature gains first strike until end of turn.

At the beginning of each opponent's upkeep, Iron Maiden deals X damage to that player, where X is the number of cards in their hand minus 4.

: Add .

Trample

Target creature gets +0/+4 until end of turn.

Cycling (, Discard this card: Draw a card.)

When Ironclad Slayer enters, you may return target Aura or Equipment card from your graveyard to your hand.

Enchant creature

Enchanted creature gets -0/-1.

Enchanted creature can't block creatures with power equal to or greater than the enchanted creature's toughness.

Whenever Iron-Craw Crusher attacks, target attacking creature gets +X/+0 until end of turn, where X is Iron-Craw Crusher's power.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

2/5

Ironfist Crusher can block any number of creatures.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Vigilance

Sacrifice Iron-Heart Chimera: Put a +2/+2 counter on target Chimera creature. It gains vigilance. <I>(This effect lasts indefinitely.)</I>

Ironhoof Ox can't be blocked by more than one creature.

If a creature would deal combat damage to Ironscale Hydra, prevent that damage and put a +1/+1 counter on Ironscale Hydra.

Whenever Ironsoul Enforcer or a commander you control attacks alone, return target artifact card from your graveyard to the battlefield.

Exile target artifact or enchantment.

Changeling (This card is every creature type.)

When Irregular Cohort enters, create a 2/2 colorless Shapeshifter creature token with changeling.

Menace (This creature can't be blocked except by two or more creatures.)

Whenever another creature you control with power 2 or less enters, you may discard a card. If you do, draw a card. Do this only once each turn.

(: Add or .)

Irrigated Farmland enters tapped.

Cycling (, Discard this card: Draw a card.)

Damage can't be prevented this turn. If a source you control would deal damage this turn to an opponent or a permanent an opponent controls, it deals triple that damage instead.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever an opponent casts a Spirit or Arcane spell, Ishi-Ishi, Akki Crackshot deals 2 damage to that player.

Reach

Delirium — When Ishkanah, Grafwidow enters, if there are four or more card types among cards in your graveyard, create three 1/2 green Spider creature tokens with reach.

: Target opponent loses 1 life for each Spider you control.

If you would draw a card during your draw step, instead you may skip that draw. If you do, until your next turn, you can't be attacked except by creatures with flying and/or islandwalk.

: Add .

, : Scry 1, then you may reveal the top card of your library. If a basic land card is revealed this way, put it onto the battlefield tapped. Activate only if an opponent controls at least two more lands than you.

Flying

Whenever Isperia the Inscrutable deals combat damage to a player, choose a card name. That player reveals their hand. If a card with the chosen name is revealed this way, search your library for a creature card with flying, reveal it, put it into your hand, then shuffle.

Flying

When Isperia's Skywatch enters, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents of their choice.)

Whenever an opponent sacrifices a nontoken permanent, put that card onto the battlefield under your control.

First strike, trample, lifelink

Flying

When Ithilien Kingfisher dies, draw a card.

Haste

When Itzquinth, Firstborn of Gishath enters, you may pay . When you do, target Dinosaur you control deals damage equal to its power to another target creature.

At the beginning of your upkeep, if you have seven or more cards in hand, you gain 4 life.

Flying

When Ivory Gargoyle dies, return it to the battlefield under its owner's control at the beginning of the next end step and you skip your next draw step.

: Exile Ivory Gargoyle.

Protection from red

Creatures named Ivory Guardians get +1/+1 as long as an opponent controls a nontoken red permanent.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

: Target creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)

Trample

When Iwamori of the Open Fist enters, each opponent may put a legendary creature card from their hand onto the battlefield.

, , Sacrifice Ixalli's Keeper: Target creature gets +5/+5 and gains trample until end of turn.

Flying, vigilance, toxic 2

Corrupted — At the beginning of your end step, each opponent who has three or more poison counters exiles the top card of their library face down. You may look at and play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast those spells.

Counter target spell unless its controller pays for each Wizard on the battlefield.

Flying

Iymrith, Desert Doom has ward as long as it's untapped.

Whenever Iymrith deals combat damage to a player, draw a card. Then if you have fewer than three cards in hand, draw cards equal to the difference.

Izzet Boilerworks enters tapped.

When Izzet Boilerworks enters, return a land you control to its owner's hand.

: Add .

Haste

, : Exile target instant or sorcery card from your graveyard.

, , Sacrifice Izzet Chemister: Cast any number of cards exiled with Izzet Chemister without paying their mana costs.

If you would get one or more (energy counters), you get that many plus one instead.

: Draw a card. Activate only if you've paid or lost four or more this turn.

Flash (You may cast this spell any time you could cast an instant.)

Haste

: Izzet Staticaster deals 1 damage to target creature and each other creature with the same name as that creature.

Cast this spell only after combat.

Gain control of target nonartifact, nonblack creature that attacked you this turn and put a -1/-0 counter on it.

You can't cast Jace Reawakened during your first, second, or third turns of the game.

+1: Draw a card, then discard a card.

+1: You may exile a nonland card with mana value 3 or less from your hand. If you do, it becomes plotted.

−6: Until end of turn, whenever you cast a spell, copy it. You may choose new targets for the copy.

+1: Until your next turn, whenever a creature an opponent controls attacks, it gets -1/-0 until end of turn.

−2: Reveal the top three cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other on the bottom of your library in any order.

−8: For each player, search that player's library for a nonland card and exile it, then that player shuffles. You may cast those cards without paying their mana costs.

Kicker

When Jace, Mirror Mage enters, if Jace was kicked, create a token that's a copy of Jace, Mirror Mage, except it's not legendary and its starting loyalty is 1.

+1: Scry 2.

0: Draw a card and reveal it. Remove a number of loyalty counters equal to that card's mana value from Jace, Mirror Mage.

Compleated ( can be paid with or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)

+1: Until your next turn, up to one target creature gets -3/-0.

−2: Target player mills three cards. Then if a graveyard has twenty or more cards in it, you draw three cards. Otherwise, you draw a card.

−X: Target player mills three times X cards.