Whenever Innocent Bystander is dealt 3 or more damage, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Flash

Flying

When you cast this spell, draw a card.

Target creature gets +3/+2 until end of turn. Scry 1.

Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.

When Inquisitive Puppet enters, scry 1.

Exile Inquisitive Puppet: Create a 1/1 white Human creature token.

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.")

Vigilance

Unquestionable Wisdom — Other creatures you control get +1/+0 and have vigilance.

Hunt for Heresy — , : Tap target creature an opponent controls. Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

If equipped creature would deal combat damage, it deals double that damage instead.

If another creature would deal combat damage to equipped creature, it deals double that damage to equipped creature instead.

Equip

Prevent all damage target attacking or blocking creature would deal this turn. If that creature is black or red, destroy it.

Spree (Choose one or more additional costs.)

+ — Search your library for a card, then shuffle and put that card on top.

+ — Target player draws three cards and loses 3 life.

Insatiable Gorgers attacks each combat if able.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

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.)

Deathtouch

Whenever this creature mutates, each opponent loses X life and you gain X life, where X is the number of times this creature has mutated.

, , Sacrifice Inscribed Tablet: Reveal the top five cards of your library. Put a land card from among them into your hand and the rest on the bottom of your library in a random order. If you didn't put a card into your hand this way, draw a card.

Kicker

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

• Return up to two target creatures to their owners' hands.

• Scry 2, then draw two cards.

• Target player creates an X/X blue Illusion creature token, where X is the number of cards in their hand.

Flying

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.

Whenever an opponent casts a green spell, you draw a card.

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

Discard a card, Sacrifice Insolent Neonate: Draw a card.

Mill three cards, then return an instant or sorcery card from your graveyard to your hand.

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

When Inspired Inventor enters, choose one —

• You get (three energy counters).

• Put a +1/+1 counter on target creature.

• Create a 1/1 colorless Servo artifact creature token.

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.")

When Inspiring Captain enters, creatures you control get +1/+1 until end of turn.

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

: Add or .

Untap target creature. It gets +2/+4 until end of turn.

Attacking creatures you control get +1/+0.

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

Enchant creature

Enchanted creature has "At the beginning of your end step, sacrifice this creature unless it attacked this turn."

At the beginning of your upkeep, you may put a harmony counter on Instrument of the Bards.

, : Search your library for a creature card with mana value equal to the number of harmony counters on Instrument of the Bards, reveal it, and put it into your hand. If that card is legendary, create a Treasure token. Then shuffle.

Enchant creature

At the beginning of the end step of enchanted creature's controller, Insubordination deals 2 damage to that player unless that creature attacked this turn.

Untap all creatures and gain control of them until end of turn. They gain haste until end of turn.

Creature tokens you control get +1/+1 and have vigilance.

Devour Intellect — When Intellect Devourer enters, 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.

: Add one mana of any color.

, : Draw X cards, where X is the number of Bobbleheads you control.

Counter target activated ability from an artifact, creature, enchantment, or land. That permanent's activated abilities can't be activated this turn. <I>(Mana abilities can't be targeted.)</I>

Draw a card.

Whenever you cast a planeswalker spell, you gain 1 life.

: Add .

, : Add two mana of different colors. Spend this mana only to cast planeswalker spells.

Scry 3, then reveal the top card of your library. Draw cards equal to that card's mana value. (To scry 3, look at the top three cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Intervention deals 3 damage to any target and you gain 3 life.

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.

Creatures you control have fear. (They can't be blocked except by artifact creatures and/or black creatures.)

When Intimidation Campaign enters, each opponent loses 1 life, you gain 1 life, and you draw a card.

Whenever you commit a crime, you may return Intimidation Campaign to its owner's hand. (It returns only from the battlefield. Targeting opponents, anything they control, and/or cards in their graveyards is a crime.)

Exile two target artifacts.

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.

Target creature attacks this turn if able.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

It becomes night. Discard any number of cards, then draw that many cards plus one.

You may look at the top card of your library any time.

You may cast spells from the top of your library by sacrificing a nonland permanent in addition to paying their other costs.

This spell costs less to cast if an opponent has seven or more cards in their graveyard.

Draw four cards.

Return up to two target creatures to their owners' hands.

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

Return target artifact to its owner's hand.

: Destroy target creature with power 4 or greater.

: 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 with a finality counter on it. (If a creature with a finality counter on it would die, exile it instead.)

Offspring (You may pay an additional as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)

When this creature enters, target creature you control gets +1/+1 until end of turn.