Enchant creature

Enchanted creature has "At the beginning of your upkeep, sacrifice a creature."

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

Enchant creature

Enchanted creature gets +2/+1, has haste, and attacks each combat if able.

When enchanted creature dies, you may search your library for a card named Infectious Bloodlust, reveal it, put it into your hand, then shuffle.

Choose a creature card name. Search target opponent's graveyard, hand, and library for any number of cards with that name and exile them. Then that player shuffles.

Visit — Draw a card.

Lights — 3, 6

Visit — Draw a card.

Lights — 5, 6

: Initiate of Blood deals 1 damage to target creature that was dealt damage this turn. When that creature dies this turn, flip Initiate of Blood.

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

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.")

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.

Flying, lifelink

: Insatiable Souleater gains trample until end of turn. ( can be paid with either or 2 life.)

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.

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.

Vicious Mockery — When Insufferable Balladeer enters the battlefield, 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.)

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

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.

Intimidation Bolt deals 3 damage to target creature. Other creatures can't attack this turn.

Vigilance

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

(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.

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

Enchant creature

Prevent all damage that would be dealt to enchanted creature.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Invisible Stalker can't be blocked.

Enchant creature

Enchanted creature gets +2/+2, has vigilance, and can block an additional creature each combat.

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

Enchant creature you control

When Iroas's Blessing enters the battlefield, it deals 4 damage to target creature or planeswalker an opponent controls.

Enchanted creature gets +1/+1.

Haste

Iron-Barb Hellion can't block.

Trample, haste

Channel — , Discard Ironhoof Boar: Target creature gets +3/+1 and gains trample until end of turn.

Target creature must be blocked this turn if able.

Draw a card.

Reach

Other Spiders you control get +1/+2.

, Exile two cards from your graveyard: Draft a card from Ishkanah, Broodmother's spellbook.

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.

When Ixalan's Binding enters the battlefield, exile target nonland permanent an opponent controls until Ixalan's Binding leaves the battlefield.

Your opponents can't cast spells with the same name as the exiled card.

Izzet Boilerworks enters the battlefield tapped.

When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand.

: Add .

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.

+1: Up to one target creature gets -2/-0 until your next turn.

−3: You may cast target instant or sorcery card from your graveyard this turn. If that spell would be put into your graveyard, exile it instead.

−9: You get an emblem with "Whenever you cast a spell, target opponent mills five cards."

When Jade Bearer enters the battlefield, put a +1/+1 counter on another target Merfolk you control.

Jagged Barrens enters the battlefield tapped.

When Jagged Barrens enters the battlefield, it deals 1 damage to target opponent.

: Add or .

Spree (Choose one or more additional costs.)

+ — Put a +1/+1 counter on target creature. It can't be blocked this turn.

+ — Target artifact or creature's owner puts it on the top or bottom of their library.

Whenever a creature you control dies, put two eyeball counters on Jar of Eyeballs.

, , Remove all eyeball counters from Jar of Eyeballs: Look at the top X cards of your library, where X is the number of eyeball counters removed this way. Put one of them into your hand and the rest on the bottom of your library in any order.

: Add . Spend this mana only to cast creature spells with no abilities.

Creatures you control with no abilities can't be blocked by creatures with abilities.

Double strike

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

, , Discard a card: Create a token that's a copy of another target creature you control. It gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step. Activate only as a sorcery.

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

, , Discard a card: Destroy target blue permanent.

, , Discard a card: Jaya Ballard, Task Mage deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn.

, , Discard a card: Jaya Ballard deals 6 damage to each creature and each player.

Jeska, Thrice Reborn enters the battlefield with a loyalty counter on her for each time you've cast a commander from the command zone this game.

0: Choose target creature. Until your next turn, if that creature would deal combat damage to one of your opponents, it deals triple that damage to that player instead.

−X: Jeska, Thrice Reborn deals X damage to each of up to three targets.

Jeska, Thrice Reborn can be your commander.

Partner

Flash (You may cast this spell any time you could cast an instant.)

Defender

When Jeskai Barricade enters the battlefield, you may return another target creature you control to its owner's hand.

Remove Jeweled Bird from your deck before playing if you're not playing for ante.

: Ante Jeweled Bird. If you do, put all other cards you own from the ante into your graveyard, then draw a card.

: Prevent the next 1 damage that would be dealt to any target this turn.

: Target creature can't be blocked this turn.

: Choose target permanent you control or suspended card you own. If that permanent or card has a time counter on it, you may remove a time counter from it or put another time counter on it.