, Sacrifice Hydromorph Guardian: Counter target spell that targets a creature you control.

Enchant creature

Enchanted creature gets +1/+1 and has first strike.

Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Target player discards two cards at random.

Flying

Icatian Moneychanger enters with three credit counters on it.

When Icatian Moneychanger enters, it deals 3 damage to you.

At the beginning of your upkeep, put a credit counter on Icatian Moneychanger.

Sacrifice Icatian Moneychanger: You gain 1 life for each credit counter on Icatian Moneychanger. Activate only during your upkeep.

Destroy target land.

Flying

When this creature enters, draw a card, then discard a card.

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

Whenever Ichorclaw Myr becomes blocked, it gets +2/+2 until end of turn.

Whenever a creature you control enters, if it has one or more oil counters on it, put an oil counter on it.

Creatures you control with oil counters on them get +1/+1.

Each +1/+1 counter on a creature you control is also a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

, : Roll two six-sided dice. For each odd result, put a +1/+1 counter on a creature of your choice. 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.

Target player reveals a card at random from their hand. Ignite Memories deals damage to that player equal to that card's mana value.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

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.

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.

Double strike

Whenever Illuminator Virtuoso becomes the target of a spell you control, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Enchant creature

Enchanted creature gets +4/+4.

When enchanted creature becomes the target of a spell or ability, sacrifice Illusionary Armor.

: You may choose a creature card in your hand whose mana cost could be paid by some amount of, or all of, the mana you spent on . If you do, you may cast that card face down as a 2/2 creature spell without paying its mana cost. If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage, be dealt damage, or become tapped, instead it's turned face up and assigns or deals damage, is dealt damage, or becomes tapped. Activate only as a sorcery.

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

Draw a card.

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.

At the beginning of your upkeep, if you have a card in hand, return Imaginary Pet to its owner's hand.

Whenever Imaryll, Elfhame Elite attacks, it gets +X/+X until end of turn, where X is the number of other Elves you control.

You may have Imaryll assign its combat damage as though it weren't blocked.

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

Hosted creatures get +2/+0 and have haste.

Host (: Host target creature at this Realm. A Realm can host any number of creatures. Host only as a sorcery.)

When Immersturm Raider enters, you may discard a card. If you do, draw a card.

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.

Devoid (This card has no color.)

: Each creature with toughness greater than its power can't block this turn. ( represents colorless mana.)

Destroy target attacking creature.

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

Whenever an opponent activates an ability of an artifact, creature, or land that isn't a mana ability, Immolation Shaman deals 1 damage to that player.

: Immolation Shaman gets +3/+3 and gains menace until end of turn.

Return target creature card from an opponent's graveyard to the battlefield under their control with a duty counter on it. For as long as that creature has a duty counter on it, it is goaded, can't attack you or a permanent you control, and can't block creatures you control.

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.

Whenever Imperial Recovery Unit attacks, return target creature or Vehicle card with mana value 2 or less from your graveyard to your hand.

Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)