, Sacrifice a nontoken permanent: Draw a card.

Flying, first strike, trample, haste

This spell costs less to cast for each card you've revealed this turn.

When Infernius Spawnington III, Esq. enters the battlefield, you may say "I'm here." If you do, it deals 3 damage to target player.

Trample

Inferno Project enters the battlefield with X +1/+1 counters on it, where X is the total mana value of instant and sorcery cards in your graveyard.

Flash

When Infested Thrinax enters the battlefield, until end of turn, whenever a nontoken creature you control dies, create a number of 1/1 green Saproling creature tokens equal to that creature's power.

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.

Enchant creature

When Infinite Reflection enters the battlefield attached to a creature, each other nontoken creature you control becomes a copy of that creature.

Nontoken creatures you control enter the battlefield as a copy of enchanted creature.

You may pay rather than pay this spell's mana cost.

If the cost was paid, you draw three cards, then an opponent creates two Treasure tokens and they scry 2. If that cost wasn't paid, you draw X cards.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Injury deals 2 damage to target creature and 2 damage to target player or planeswalker.

: Add .

: Inkmoth Nexus becomes a 1/1 Phyrexian Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

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.

Cumulative upkeep—Pay 2 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.)

Prevent all damage that would be dealt to creatures you control.

Parley — Whenever Innocuous Researcher attacks, each player reveals the top card of their library. For each nonland card revealed this way, you investigate. Then each player draws a card.

At the beginning of your end step, you may untap all lands you control. If you do, you can't cast spells until your next turn.

Vigilance

When Inquisitor Captain enters the battlefield, if there are twenty or more creature cards with mana value 3 or less among cards in your graveyard, hand, and library, seek two creature cards with mana value 3 or less. Put one of them onto the battlefield and shuffle the other into your library.

Inquisition Agents — Whenever equipped creature attacks, create a 2/2 white Astartes Warrior creature token with vigilance that's attacking. Then attacking creatures gain menace until end of turn.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

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.

Kicker

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

• Target opponent discards two cards.

• Return target creature card with mana value 2 or less from your graveyard to the battlefield.

• Destroy target creature with mana value 3 or less.

Hexproof, indestructible

Insidious Mist can't block and can't be blocked.

Whenever Insidious Mist attacks and isn't blocked, you may pay . If you do, transform it.

The next creature spell you cast this turn can't be countered.

Draw a card.

Target player gains 5 life, Inspired Ultimatum deals 5 damage to any target, then you draw five cards.

Draw two cards. Exile Inspiring Refrain with three time counters on it.

Suspend 3— (Rather than cast this card from your hand, you may 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.)

Inspiring Vantage enters the battlefield tapped unless you control two or fewer other lands.

: Add or .

Attacking creatures you control get +1/+0.

At the beginning of each upkeep, if no spells were cast last turn, transform Instigator Gang.

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

Devour Intellect — When Intellect Devourer enters the battlefield, each opponent exiles a card from their hand until Intellect Devourer leaves the battlefield.

Body Thief — You may play lands and cast spells from among cards exiled with Intellect Devourer. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Ward

When Interdisciplinary Mascot enters the battlefield, look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.

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.

Choose one —

• Into the Fire deals 2 damage to each creature, planeswalker, and battle.

• Put any number of cards from your hand on the bottom of your library, then draw that many cards plus one.

At the beginning of your upkeep, look at the top card of your library. If it's a land card, you may put it onto the battlefield.

: Add one mana of any color.

: Exile target card from a graveyard.

You may cast Dinosaur creature spells from among cards you own exiled with Intrepid Paleontologist. If you cast a spell this way, that creature enters the battlefield with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)

Search your library for three cards and reveal them. Target opponent chooses one. Put that card into your hand and the rest into your graveyard. Then shuffle.

Imprint — When Invader Parasite enters the battlefield, exile target land.

Whenever a land with the same name as the exiled card enters the battlefield under an opponent's control, Invader Parasite deals 2 damage to that player.

(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 Arcavios enters the battlefield, search your library, graveyard, and/or outside the game for an instant or sorcery card you own, reveal it, and put it into your hand. If you search your library this way, shuffle.

(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 the battlefield, 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.

(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 Ixalan enters the battlefield, look at the top five cards of your library. You may reveal a permanent card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

(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 Karsus enters the battlefield, it deals 3 damage to each creature and each planeswalker.

(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 Theros enters the battlefield, search your library for an Aura, God, or Demigod card, reveal it, put it into your hand, then shuffle.

All creatures block each combat if able.

The attacking player chooses how each creature blocks each combat.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life.

: Add .

, , Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

At the beginning of combat on your turn, switch the power and toughness of each of any number of target creatures until end of turn.

Investigator's Journal enters the battlefield with a number of suspect counters on it equal to the greatest number of creatures a player controls.

, , Remove a suspect counter from Investigator's Journal: Draw a card.

, Sacrifice Investigator's Journal: Draw a card.

Enchant creature

Enchanted creature has "Whenever this creature attacks, create a 4/4 white Angel creature token with flying that's tapped and attacking. Exile that token at end of combat."

You may cast up to two instant and/or sorcery spells with total mana value 6 or less from your graveyard and/or hand without paying their mana costs. If those spells would be put into your graveyard, exile them instead. Exile Invoke Calamity.

Return target permanent card from your graveyard to the battlefield, then distribute four +1/+1 counters among any number of creatures and/or Vehicles target player controls.

Create two 4/5 green Spirit creature tokens. For each of them, put your choice of a vigilance counter, a reach counter, or a trample counter on it.

Gain control of target artifact or creature. Untap it.

Counter target spell. Ionize deals 2 damage to that spell's controller.

Add seven . You can cast only one more spell this turn.

Flying, protection from each color

At the beginning of each opponent's upkeep, Iron Maiden deals X damage to that player, where X is the number of cards in their hand minus 4.

If a creature would deal combat damage to Ironscale Hydra, prevent that damage and put a +1/+1 counter on Ironscale Hydra.