Boxing Day

Whenever Azlask, the Swelling Scourge or another colorless creature you control dies, you get an experience counter. {W}{U}{B}{R}{G}: Creatures you...

Whenever Azlask, the Swelling Scourge or another colorless creature you control dies, you get an experience counter. {W}{U}{B}{R}{G}: Creatures you...

Menace, haste Whenever Satya, Aetherflux Genius attacks, create a tapped and attacking token that's a copy of up to one other target nontoken creat...

Whenever another creature enters the battlefield, its controller may draw a card if its power is greater than each other creature's power. {G}, {T}...

Whenever a Lhurgoyf permanent card is put into your graveyard from anywhere other than the battlefield, put it onto the battlefield. Whenever one o...

Flash Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's ...

Whenever another creature you control enters, it gets +2/+0 and gains haste until end of turn. When Enduring Courage dies, if it was a creature, re...

Impending 4—{2}{R}{R} (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is remo...

[+1]: Choose up to two target creatures. Until your next turn, whenever either of those creatures deals combat damage, you draw a card. [−2]: Tap u...

Menace When Rot Hulk enters, return up to X target Zombie cards from your graveyard to the battlefield, where X is the number of opponents you have.

Trample Whenever Aetherwind Basker enters or attacks, you get {E} (an energy counter) for each creature you control. Pay {E}: Aetherwind Basker get...

Double strike, haste Whenever Lightning Runner attacks, you get {E}{E} (two energy counters), then you may pay eight {E}. If you pay, untap all cre...

When Meathook Massacre II enters, each player sacrifices X creatures. Whenever a creature you control dies, you may pay 3 life. If you do, return t...

[+1]: You draw a card and you lose 1 life. [−3]: Destroy target creature. [−8]: Target opponent gets an emblem with "Whenever a player draws a card...

Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats. A deck can have any number of cards named Relentless R...

Lifelink Whenever Mr. Foxglove attacks, draw cards equal to the number of cards in defending player's hand minus the number of cards in your hand. ...

Haste Whenever Arthur, Marigold Knight and at least one other creature attack, look at the top six cards of your library. You may put a creature ca...

{R}: Inferno Titan gets +1/+0 until end of turn. Whenever Inferno Titan enters or attacks, it deals 3 damage divided as you choose among one, two, ...

This spell costs {3} less to cast if you have nine or more cards in your graveyard. Flying When Capricious Hellraiser enters the battlefield, exile...

Flying Non-Archon creatures have base power and toughness 3/3. When Harmonious Archon enters the battlefield, create two 1/1 white Human creature t...

Flying Whenever a source you control deals damage to you, put that many +1/+1 counters on Auntie Blyte, Bad Influence. {1}{R}, {T}, Remove X +1/+1 ...

Whenever Ashcoat of the Shadow Swarm attacks or blocks, other Rats you control get +X/+X until end of turn, where X is the number of Rats you contr...

This spell costs {1} less to cast for each Knight you control. Creatures you control get +1/+1. Whenever you cast a legendary spell, create a 2/2 w...

Taeko, the Patient Avalanche enters tapped. Whenever another creature you control leaves the battlefield, if it didn't die, scry 1 and put a +1/+1 ...