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, trample

Once each turn, while you're searching your library, you may pay , reveal Infernal Spawn of Infernal Spawn of Evil from your library and say "I'm coming, too" If you do, Infernal Spawn of Infernal Spawn of Evil deals 2 damage to a player of your choice.

Inferno deals 6 damage to each creature and each player.

Whenever Infestation Expert enters or attacks, create a 1/1 green Insect creature token.

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

Whenever Infested Werewolf enters or attacks, create two 1/1 green Insect creature tokens.

Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.)

At the beginning of your upkeep, put a time counter on Infinite Hourglass.

All creatures get +1/+0 for each time counter on Infinite Hourglass.

: Remove a time counter from Infinite Hourglass. Any player may activate this ability but only during any upkeep step.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever a Ninja you control deals combat damage to a player, draw a card.

Whenever Initiate's Companion deals combat damage to a player, untap target creature or land.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Ink-Eyes, Servant of Oni deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.

: Regenerate Ink-Eyes.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

When Inkfathom Divers enters, look at the top four cards of your library, then put them back in any order.

Whenever a player casts an instant or sorcery spell, if that spell targets only Ink-Treader Nephilim, copy the spell for each other creature that spell could target. Each copy targets a different one of those creatures.

Flying

: Attacking creatures with flying get +1/+1 until end of turn. ( can be paid with either or .)

Whenever three or more creatures you control with flying attack, each player gains control of a nonland permanent of your choice controlled by the player to their right.

Each player sacrifices a creature.

Target player reveals their hand. Inquisition deals damage to that player equal to the number of white cards in their hand.

You may reveal the first card you draw each turn as you draw it. Whenever you reveal an instant or sorcery card this way, create Cherubael, a legendary 4/4 black Demon creature token with flying.

Whenever Inquisitor Eisenhorn deals combat damage to a player, investigate that many times. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Kicker

Choose one. If this spell was kicked, choose any number instead.

• Put two +1/+1 counters on target creature.

• Target player gains X life, where X is the greatest power among creatures they control.

• Target creature you control fights target creature you don't control.

When Insidious Bookworms dies, you may pay . If you do, target player discards a card at random.

Exile the top three cards of your library. Until the end of your next turn, you may play those cards.

Create three Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

, , Discard a card: Creatures target player controls attack this turn if able.

Vicious Mockery — When Insufferable Balladeer enters, target creature an opponent controls can't block this turn. Goad it. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Damage can't be prevented this turn. If a source you control would deal damage this turn, it deals double that damage instead.

Choose an opponent. You and that player each draw three cards.

Choose an opponent. Untap all nonland permanents you control and all nonland permanents that player controls.

Flying

Whenever Intet, the Dreamer deals combat damage to a player, you may pay . If you do, exile the top card of your library face down. You may look at that card for as long as it remains exiled. You may play that card without paying its mana cost for as long as Intet remains on the battlefield.

Whenever a player casts a red spell, you may pay . If you do, target creature can't block this turn.

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of Amonkhet enters, each player mills three cards, then each opponent discards a card and you draw a card. (To mill three cards, a player puts the top three cards of their library into their graveyard.)

(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.)

When Invasion of Gobakhan enters, look at target opponent's hand. You may exile a nonland card from it. For as long as that card remains exiled, its owner may play it. A spell cast this way costs more to cast.

All creatures block each combat if able.

The attacking player chooses how each creature blocks each combat.

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

For each Aura and Equipment you control, you may attach it to a creature you control.

Whenever a player cycles a card, you may put a +1/+1 counter on target creature.

Whenever an opponent casts a creature spell that doesn't share a color with a creature you control, counter that spell unless that player pays , where X is its mana value.

: Add .

, Pay 1 life: Add .

, , Sacrifice a Desert: Target player mills four cards.

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

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

When Ire Shaman is turned face up, exile the top card of your library. Until end of turn, you may play that card.

Whenever Iron Mastiff attacks, roll a d20 for each player being attacked and ignore all but the highest roll.

1–9 | Iron Mastiff deals damage equal to its power to you.

10–19 | Iron Mastiff deals damage equal to its power to defending player.

20 | Iron Mastiff deals damage equal to its power to each opponent.

First strike

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Ironfang.

Island Fish Jasconius doesn't untap during your untap step.

At the beginning of your upkeep, you may pay . If you do, untap Island Fish Jasconius.

Island Fish Jasconius can't attack unless defending player controls an Island.

When you control no Islands, sacrifice Island Fish Jasconius.

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.

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

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

Untap each creature you control with a +1/+1 counter on it during each other player's untap step.

Flying

Whenever a player casts a spell that targets only a single creature other than Ivy, Gleeful Spellthief, you may copy that spell. The copy targets Ivy. (A copy of an Aura spell becomes a token.)

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.

Whenever a player casts an instant or sorcery spell, that player copies it. The player may choose new targets for the copy.

Whenever chaos ensues, instant and sorcery spells you cast this turn cost less to cast.

+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.

+1: Draw a card. Target player mills a card.

0: Target player mills ten cards.

−7: Any number of target players each draw twenty cards.

+2: Look at the top card of target player's library. You may put that card on the bottom of that player's library.

0: Draw three cards, then put two cards from your hand on top of your library in any order.

−1: Return target creature to its owner's hand.

−12: Exile all cards from target player's library, then that player shuffles their hand into their library.

If you would draw a card while your library has no cards in it, you win the game instead.

+1: Target player mills two cards. Draw a card.

−8: Draw seven cards. Then if your library has no cards in it, you win the game.

Whenever you draw a card, you may have target player mill a card.

Partner with Evie Frye (When this creature enters, target player may put Evie into their hand from their library, then shuffle.)

Whenever one or more Assassins you control deal combat damage to a player, exile up to one target Assassin card or card with freerunning from your graveyard. If you do, copy it. You may cast the copy.

Whenever you crank Jamming Device, creatures target player controls get -1/-1 until end of turn.

Double strike

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)