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.

Whenever you attack, you may discard a card. When you do, put a +1/+1 counter on target attacking creature. It gains trample until end of turn.

Whenever you discard one or more cards, exile the top card of your library. You may play that card until your next end step.

Exile two target artifacts.

Exile target nonland permanent. Its controller draws a card.

Vigilance

When Intrusive Packbeast enters, tap up to two target creatures your opponents control.

Amass Zombies X, where X is the number of instant and sorcery cards in your graveyard. (Put X +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

(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, 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 New Capenna enters, you may sacrifice an artifact or creature. When you do, exile target artifact or creature an opponent controls.

When Invasive Species enters, return another permanent you control to its owner's hand.

When Inverted Iceberg enters, mill a card, then draw a card. (To mill a card, put the top card of your library into your graveyard.)

Craft with artifact (, Exile this artifact, Exile another artifact you control or an artifact card from your graveyard: Return this card transformed under its owner's control. Craft only as a sorcery.)

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.

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.

Tap up to two target artifacts and/or creatures. Put two stun counters on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.)

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

Create a token that's a copy of target creature you control, except the token has flying and it isn't legendary.

: Iridescent Blademaster gets +2/+2 until end of turn.

At the beginning of your end step, create a 1/1 green Insect creature token for each +1/+1 counter you've put on creatures under your control this turn.

Indestructible

As long as your devotion to red and white is less than seven, Iroas isn't a creature.

Creatures you control have menace.

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

Iron Apprentice enters with a +1/+1 counter on it.

When Iron Apprentice dies, if it had counters on it, put those counters on target creature you control.

Iron Verdict deals 5 damage to target tapped creature.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

When Ironclad Revolutionary enters, you may sacrifice an artifact. If you do, put two +1/+1 counters on Ironclad Revolutionary and each opponent loses 2 life.

Ironclaw Buzzardiers can't block creatures with power 2 or greater.

: Ironclaw Buzzardiers gains flying until end of turn.

Ironclaw Orcs can't block creatures with power 2 or greater.

Ironfist Crusher can block any number of creatures.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

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

Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Changeling (This card is every creature type.)

When Irregular Cohort enters, create a 2/2 colorless Shapeshifter creature token with changeling.

Whenever an opponent casts a Spirit or Arcane spell, Ishi-Ishi, Akki Crackshot deals 2 damage to that player.

If you would draw a card during your draw step, instead you may skip that draw. If you do, until your next turn, you can't be attacked except by creatures with flying and/or islandwalk.

Imprint — When Isochron Scepter enters, you may exile an instant card with mana value 2 or less from your hand.

, : You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

: Add .

, : Scry 1, then you may reveal the top card of your library. If a basic land card is revealed this way, put it onto the battlefield tapped. Activate only if an opponent controls at least two more lands than you.

Whenever an opponent casts a creature spell, that player loses 2 life unless they pay .

Flying

When Isperia's Skywatch enters, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

(Transforms from Growing Rites of Itlimoc.)

: Add .

: Add for each creature you control.

At the beginning of your upkeep, if you have seven or more cards in hand, you gain 4 life.

: Target creature gains forestwalk until end of turn. (It can't be blocked as long as defending player controls a Forest.)

Face-down creatures get +1/+1.

: Turn target face-down creature face up.

Choose one —

• Counter target noncreature spell unless its controller pays .

• Izzet Charm deals 2 damage to target creature.

• Draw two cards, then discard two cards.

When Izzet Chronarch enters, return target instant or sorcery card from your graveyard to your hand.

: Add or .

, , Sacrifice Izzet Locket: Draw two cards.

Cast this spell only after combat.

Gain control of target nonartifact, nonblack creature that attacked you this turn and put a -1/-0 counter on it.

You can't cast Jace Reawakened during your first, second, or third turns of the game.

+1: Draw a card, then discard a card.

+1: You may exile a nonland card with mana value 3 or less from your hand. If you do, it becomes plotted.

−6: Until end of turn, whenever you cast a spell, copy it. You may choose new targets for the copy.

+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.

+1: Untap all creatures you control.

−9: Gain control of up to three target creatures.

Kicker

When Jace, Mirror Mage enters, if Jace was kicked, create a token that's a copy of Jace, Mirror Mage, except it's not legendary and its starting loyalty is 1.

+1: Scry 2.

0: Draw a card and reveal it. Remove a number of loyalty counters equal to that card's mana value from Jace, Mirror Mage.

+1: Look at the top two cards of your library. Put one of them into your graveyard.

−3: Return another target nonland permanent to its owner's hand.

−8: Each player shuffles their hand and graveyard into their library. You draw seven cards.

Compleated ( can be paid with or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)

+1: Until your next turn, up to one target creature gets -3/-0.

−2: Target player mills three cards. Then if a graveyard has twenty or more cards in it, you draw three cards. Otherwise, you draw a card.

−X: Target player mills three times X cards.

: Draw a card, then discard a card. If there are five or more cards in your graveyard, exile Jace, Vryn's Prodigy, then return him to the battlefield transformed under his owner's control.