Vanishing 3

Imprint — When Idris, Soul of the TARDIS enters, exile another artifact you control until Idris leaves the battlefield.

Idris has all activated and triggered abilities of the exiled card and gets +X/+X, where X is the exiled card's mana value.

(: Add .)

Idyllic Grange enters tapped unless you control three or more other Plains.

When Idyllic Grange enters untapped, put a +1/+1 counter on target creature you control.

: Add .

, Pay 1 life: Add .

, , Sacrifice a Desert: Put two -1/-1 counters on target creature an opponent controls. Activate only as a sorcery.

This spell costs less to cast if there is a land card in your graveyard.

When Igneous Elemental enters, you may have it deal 2 damage to target creature.

Igneous Inspiration deals 3 damage to any target.

Learn. (You may reveal a Lesson card you own from outside the game and put it into your hand, or discard a card to draw a card.)

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

Search your library for up to two planeswalker cards, reveal them, put them into your hand, then shuffle.

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.

Whenever Ignoble Soldier becomes blocked, prevent all combat damage that would be dealt by it this turn.

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.

Menace

Whenever a creature you control deals combat damage to a player, you gain life equal to that creature's toughness.

Partner (You can have two commanders if both have partner.)

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

Flash

When Illicit Masquerade enters, put an impostor counter on each creature you control.

Whenever a creature you control with an impostor counter on it dies, exile it. Return up to one other target creature card from your graveyard to the battlefield.

Ceremorphosis — When Illithid Harvester enters, turn any number of target tapped nontoken creatures face down. They're 2/2 Horror creatures.

Trample

: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

Draw two cards. Then you may discard two cards. When you do, Ill-Timed Explosion deals X damage to each creature, where X is the greatest mana value among cards discarded this way.

Discard any number of cards, then draw that many cards. Then if there are seven or more cards in your graveyard, create a 3/2 red and white Spirit creature token.

Enchant creature

Enchanted creature has flying.

, Sacrifice Illuminated Wings: Draw a card.

Mutate (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, trample

Whenever this creature mutates, exile cards from the top of your library until you exile a nonland permanent card. Put that card onto the battlefield or into your hand.

You choose how each player votes this turn.

Draw a card.

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.

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

Draw a card.

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

Whenever Illusory Ambusher is dealt damage, draw that many cards.

Flying

When you cast a spell, sacrifice Illusory Demon.

When you speak in non-rhyming sentences, sacrifice I'm Rubber, You're Glue.

Say "I'm rubber, you're glue. Everything bounces off me and sticks to you": Change the target of target spell or ability that targets only you.

Create three 0/0 white Spirit creature tokens with flying.

Creatures target opponent controls attack this turn if able. During that player's next untap step, creatures they control don't untap.

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

Flying

, : Exile the top X cards of your library and put a study counter on each of them. Then you may put a card you own in exile with a study counter on it into your hand.

: Put a +1/+1 counter on target creature for each Elf you control.

Flying

Whenever this creature becomes tapped, exile up to one target card from a graveyard and put a +1/+1 counter on this creature.

Sacrifice another creature: This creature gains indestructible until end of turn. Tap it.

Immersturm Skullcairn enters tapped.

: Add .

, , Sacrifice Immersturm Skullcairn: It deals 3 damage to target player. That player discards a card. Activate only as a sorcery.

Imminent Doom enters with a doom counter on it.

Whenever you cast a spell with mana value equal to the number of doom counters on Imminent Doom, Imminent Doom deals that much damage to any target. Then put a doom counter on Imminent Doom.

Destroy target attacking creature.

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

Return each creature card with mana value X from your graveyard to the battlefield.

Whenever an instant or sorcery spell you control that targets only a single creature deals damage to that creature, Imodane deals that much damage to each opponent.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

At the beginning of your end step, if you have the initiative, draw a card. Draw another card if you've completed a dungeon.

Choose a Background (You can have a Background as a second commander.)

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Spells you cast with mana value 6 or greater have cascade.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Flying

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

At the beginning of each player's end step, if that player didn't cast a spell this turn, Impatience deals 2 damage to that player.

Impeccable Timing deals 3 damage to target attacking or blocking creature.

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.

Enchant creature

Enchanted creature gets +3/+3 and attacks each combat if able.

When enchanted creature dies, Impending Doom deals 3 damage to that creature's controller.

Flying

When Imperial Aerosaur enters, another target creature you control gets +1/+1 and gains flying until end of turn.

Enrage — Whenever Imperial Ceratops is dealt damage, you gain 2 life.

Flying

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

When Imperial Hellkite is turned face up, you may search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

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.)

Create three 2/2 white Samurai creature tokens with vigilance. Scry 3.