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.

Secrets of the Soul — , Sacrifice another creature: Add an amount of equal to the sacrificed creature's mana value.

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.)

Cast this spell only during the declare blockers step on an opponent's turn.

Remove all attacking creatures from combat and untap them. After this phase, there is an additional combat phase. Each of those creatures attacks that combat if able. They can't attack you or planeswalkers you control that combat.

Enchant creature

You control enchanted creature.

Whenever a creature enters the battlefield under an opponent's control, attach Illusory Gains to that creature.

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.

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.

Imminent Doom enters the battlefield 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.

, 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 (This creature can't be blocked except by creatures with flying or reach.)

When Immortal Phoenix dies, return it to its owner's hand.

You may choose not to untap Immovable Rod during your untap step.

Whenever Immovable Rod becomes untapped, venture into the dungeon.

, : For as long as Immovable Rod remains tapped, another target permanent loses all abilities and can't attack or block.

Impact Resonance deals X damage divided as you choose among any number of target creatures, where X is the greatest amount of damage dealt by a source to a permanent or player this turn.

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice Impending Disaster and destroy all lands.

Double strike

Whenever a Samurai or Warrior you control attacks alone, draft a card from Imperial Blademaster's spellbook.

When Imperial Mask enters the battlefield, 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.

Trample, haste

When Impetuous Devils attacks, up to one target creature defending player controls blocks it this combat if able.

At the beginning of the end step, sacrifice Impetuous Devils.

Each player may discard their hand and draw cards equal to the greatest mana value of a commander they own on the battlefield or in the command zone.

You may have Imposter Mech enter the battlefield as a copy of a creature an opponent controls, except it's a Vehicle artifact with crew 3 and it loses all other card types.

Crew 3

Enchant creature, land, or planeswalker

Enchanted permanent is a colorless land with ": Add " and loses all other card types and abilities.

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

When Imskir Iron-Eater enters the battlefield, you draw X cards and you lose X life, where X is half the number of artifacts you control, rounded down.

, Sacrifice an artifact: Imskir deals damage equal to the sacrificed artifact's mana value to any target.

At the beginning of your upkeep, you may cast a permanent spell from your hand with mana value equal to 1 plus the highest mana value among other permanents you control without paying its mana cost. If you don't, scry 1.

Whenever a player casts an instant spell, counter it unless that player pays , where X is its mana value.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Enchant creature, planeswalker, or Clue

Enchanted permanent is a colorless Clue artifact with ", Sacrifice this artifact: Draw a card" and loses all other abilities. (It's no longer a creature or planeswalker.)

When Iname, Death Aspect enters the battlefield, you may search your library for any number of Spirit cards, put them into your graveyard, then shuffle.

Incandescent Aria deals 3 damage to each nontoken creature.

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it.)

Mill five cards, then return a creature card from your graveyard to the battlefield.

Equipped creature gets +1/+1.

Whenever Inchblade Companion becomes attached to a creature, create a token that's a copy of Inchblade Companion, except it doesn't have this ability. This ability triggers only once each turn.

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

For each player, Incite Rebellion deals damage to that player and each creature that player controls equal to the number of creatures they control.

Search your library for a card and put that card into your hand. If this spell was cast from a graveyard, instead search your library for two cards and put those cards into your hand. Then shuffle.

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

Create five 1/1 white Human creature tokens. If this spell was cast from a graveyard, create ten of those tokens instead.

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

Copy target instant or sorcery spell you control. If this spell was cast from a graveyard, copy that spell twice instead. You may choose new targets for the copies.

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

(: Add , , or .)

Indatha Triome enters the battlefield tapped.

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

As Indominus Rex, Alpha enters the battlefield, discard any number of creature cards. It enters with a flying counter on it if a card discarded this way has flying. The same is true for first strike, double strike, deathtouch, hexproof, haste, indestructible, lifelink, menace, reach, trample, and vigilance.

When Indominus Rex enters the battlefield, draw a card for each counter on it.

Flying

Metalcraft — Artifacts you control have shroud as long as you control three or more artifacts. (An artifact with shroud can't be the target of spells or abilities.)

Bloodthirst X (This creature enters the battlefield with X +1/+1 counters on it, where X is the damage dealt to your opponents this turn.)

Menace

Enrage — Whenever Indoraptor, the Perfect Hybrid is dealt damage, choose an opponent at random. Indoraptor deals damage equal to its power to that player unless they sacrifice a nontoken creature.

When Induced Amnesia enters the battlefield, target player exiles all cards from their hand face down, then draws that many cards.

When Induced Amnesia is put into a graveyard from the battlefield, return the exiled cards to their owner's hand.

Flying

At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature or pays 3 life.

As Ineffable Blessing enters the battlefield, choose Flavorful or Bland.

• Flavorful — Whenever a creature with flavor text enters the battlefield under your control, draw a card.

• Bland — Whenever a creature without flavor text enters the battlefield under your control, draw a card.

As Ineffable Blessing enters the battlefield, choose white-bordered or silver-bordered.

Whenever a creature with the chosen border enters the battlefield under your control, draw a card.

As Ineffable Blessing enters the battlefield, choose odd or even.

Whenever a creature with a collector number of the chosen value enters the battlefield under your control, draw a card.

Suspend 3— (Rather than cast this card from your hand, pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles.

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Cumulative upkeep—Pay and 1 life. (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.)

If a land is tapped for mana, it produces instead of any other type.

At the beginning of each player's upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card's mana value.

Choose an opponent. You and that player each sacrifice a creature. Each player who sacrificed a creature this way draws two cards.

Choose an opponent. Return a creature card from your graveyard to the battlefield, then that player returns a creature card from their graveyard to the battlefield.

Flying, first strike

, Reveal Infernal Spawn of Evil from your hand, Say "It's coming": Infernal Spawn of Evil deals 1 damage to target opponent or planeswalker. Activate only during your upkeep and only once each turn.