Boxing Day

Whenever a creature you control attacks a player, for each other opponent, you may create a token that's a copy of that creature, tapped and attack...

Whenever a player casts a black, red, or green creature spell, it gains devour 5. (As the creature enters the battlefield, its controller may sacri...

Whenever a nontoken creature enters the battlefield, its controller creates a token that's a copy of that creature. Whenever you roll {CHAOS}, dest...

Creatures with power 7 or greater can't attack or block. Whenever you roll {CHAOS}, create a 7/7 colorless Eldrazi creature token with annihilator ...

When you planeswalk to Grove of the Dreampods or at the beginning of your upkeep, reveal cards from the top of your library until you reveal a crea...

Each creature assigns combat damage equal to its toughness rather than its power. Whenever you roll {CHAOS}, creatures you control get +0/+2 and ga...

Whenever a player casts an instant or sorcery spell with a single target, that player copies that spell for each other spell, permanent, card not o...

All creatures have vigilance. Whenever you roll {CHAOS}, creatures you control gain indestructible until end of turn.

When you encounter Chaotic Aether, each blank roll of the planar die is a {CHAOS} roll until a player planeswalks away from a plane. (Then planeswa...

Whenever a creature enters the battlefield, it gains double strike and haste until end of turn. Whenever you roll {CHAOS}, exile target nontoken cr...

Exile target nonland permanent. Its controller incubates X, where X is its mana value. (They create an Incubator token with X +1/+1 counters on it ...

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

When you planeswalk to The Aether Flues or at the beginning of your upkeep, you may sacrifice a creature. If you do, reveal cards from the top of y...

If you would roll one or more planar dice, instead roll that many planar dice plus one and ignore one. {T}: Add {C}{C}.

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped crea...

Whenever you draw a card, put a +1/+1 counter on each other Merfolk and/or Knight you control.

Flying

Whenever Darksteel Splicer or another nontoken Phyrexian enters the battlefield under your control, create X 3/3 colorless Phyrexian Golem artifact...

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 color....

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. Will of the Planeswalkers — Starting with y...

Backup 3 (When this creature enters the battlefield, put three +1/+1 counters on target creature. If that's another creature, it gains the followin...

Backup 1, backup 1, backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gai...

Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.) If a creature you control with...

Discard all the cards in your hand. Add {R} for each card discarded this way, then draw that many cards plus one. Will of the Planeswalkers — Start...