Iceberg enters with X ice counters on it.

: Put an ice counter on Iceberg.

Remove an ice counter from Iceberg: Add .

Destroy target land. If that land was a snow land, Icequake deals 1 damage to that land's controller.

Whenever an opponent casts an instant spell other than the first instant spell that player casts each turn, Ichneumon Druid deals 4 damage to that player.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Ichor Rats enters, each player gets a poison counter.

When Ichor Wellspring enters or is put into a graveyard from the battlefield, draw a card.

Haste

At the beginning of the end step, sacrifice Ichorid.

At the beginning of your upkeep, if Ichorid is in your graveyard, you may exile a black creature card other than Ichorid from your graveyard. If you do, return Ichorid to the battlefield.

When Icy Prison enters, exile target creature.

At the beginning of your upkeep, sacrifice Icy Prison unless any player pays .

When Icy Prison leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Exile all cards from target player's hand and graveyard.

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

: Igneous Golem gains trample until end of turn.

Ignite Disorder deals 3 damage divided as you choose among one, two, or three target white and/or blue creatures.

Ignition Team enters with X +1/+1 counters on it, where X is the number of tapped lands on the battlefield.

, Remove a +1/+1 counter from Ignition Team: Target land becomes a 4/4 red Elemental creature until end of turn. It's still a land.

Exile all cards from your hand face down. At the beginning of the next end step, return those cards to your hand, then draw a card.

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

, Sacrifice a Samurai: Samurai creatures you control gain double strike until end of turn.

Exile Ill-Gotten Gains. Each player discards their hand, then returns up to three cards from their graveyard to their hand.

Creature tokens get -1/-1.

Kicker and/or (You may pay an additional and/or as you cast this spell.)

Illuminate deals X damage to target creature. If this spell was kicked with its kicker, it deals X damage to that creature's controller. If this spell was kicked with its kicker, you draw X cards.

Enchant creature

Enchanted creature has flying.

, Sacrifice Illuminated Wings: Draw a card.

Target spell or permanent becomes the color of your choice until end of turn.

Flying

Cumulative upkeep (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.)

Cumulative upkeep (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.)

At the beginning of your upkeep, choose a land type. Illusionary Presence gains landwalk of the chosen type until end of turn. (It can't be blocked as long as defending player controls a land of that type.)

Cumulative upkeep (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.)

As Illusionary Terrain enters, choose two basic land types.

Basic lands of the first chosen type are the second chosen type.

Whenever an ability of equipped creature is activated, if it isn't a mana ability, copy that ability. You may choose new targets for the copy.

Equip

Cumulative upkeep (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 Illusions of Grandeur enters, you gain 20 life.

When Illusions of Grandeur leaves the battlefield, you lose 20 life.

Flying

When you cast a spell, sacrifice Illusory Demon.

: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

Players can't untap more than one artifact during their untap steps.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Each other creature you control that's a Wolf or a Werewolf gets +1/+1.

Non-Human Werewolves you control can't transform.

: Immolating Souleater gets +1/+0 until end of turn. ( can be paid with either or 2 life.)

, Exile two cards from your graveyard: Draw a card.

If damage would be dealt to you, prevent that damage. Exile a card from your graveyard for each 1 damage prevented this way.

When there are no cards in your graveyard, you lose the game.

Flying

Whenever Impaler Shrike deals combat damage to a player, you may sacrifice it. If you do, draw three cards.

Trample

Tap an untapped red creature you control other than Impelled Giant: Impelled Giant gets +X/+0 until end of turn, where X is the power of the creature tapped this way.

Target opponent chooses a creature they control. Destroy that creature.

When Imperial Mask enters, if it's not a token, each of your teammates creates a token that's a copy of Imperial Mask.

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Other Elves you control get +1/+1.

, : Create a 1/1 green Elf Warrior creature token.

, , Sacrifice Implements of Sacrifice: Add two mana of any one color.

Creatures your opponents control enter tapped.

Enchant creature

Whenever a player activates an ability of enchanted creature with in its activation cost that isn't a mana ability, you may pay . If you do, counter that ability. If you don't, destroy Imprison.

Whenever enchanted creature attacks or blocks, you may pay . If you do, tap the creature, remove it from combat, and creatures it was blocking that had become blocked by only that creature this combat become unblocked. If you don't, destroy Imprison.

Enchant creature

Enchanted creature gets +2/+5.

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

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Target creature attacks this turn if able.

Whenever a creature attacks, flip a coin. If you win the flip, the next time that creature would deal combat damage this turn, it deals double that damage instead. If you lose the flip, the next time that creature would deal combat damage this turn, prevent that damage.

Whenever a creature you control enters, it gets +2/+0 and gains haste until end of turn.

When Iname as One enters, if you cast it from your hand, you may search your library for a Spirit permanent card, put it onto the battlefield, then shuffle.

When Iname as One dies, you may exile it. If you do, return target Spirit permanent card from your graveyard to the battlefield.

When Iname, Life Aspect dies, you may exile it. If you do, return any number of target Spirit cards from your graveyard to your hand.

Enchant creature

At the beginning of your upkeep, you may put a fuse counter on Incendiary.

When enchanted creature dies, Incendiary deals X damage to any target, where X is the number of fuse counters on Incendiary.

Incinerate deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

Radiance — Until end of turn, target creature and each other creature that shares a color with it gain "This creature can't block."

Each player searches their library for any number of artifact, creature, enchantment, and/or land cards, puts them onto the battlefield, then shuffles.

Target player mills X cards. If this spell was cast from a graveyard, that player mills twice that many cards instead.

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