Boxing Day

At the beginning of your end step, you may sacrifice a non-Demon creature. If you do, populate. (Create a token that's a copy of a creature token y...

When March of the Canonized enters the battlefield, create X 1/1 white Vampire creature tokens with lifelink. At the beginning of your upkeep, if y...

Skeletons you control get +1/+0 and have haste. When Corpses of the Lost enters the battlefield, create a 2/2 black Skeleton Pirate creature token....

You may cast Aura and Equipment spells as though they had flash. Whenever an Equipment enters the battlefield under your control, you may attach it...

Whenever one or more nontoken Merfolk you control become tapped, create a 1/1 blue Merfolk creature token with hexproof.

Cumulative upkeep—Add {R}. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost...

As long as it's your turn, each instant and sorcery card in your graveyard has flashback. Its flashback cost is equal to its mana cost.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Exile the top five cards of your library. For each non...

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Exile the top five cards of your library. For each non...

Indestructible As long as your devotion to red and green is less than seven, Xenagos isn't a creature. At the beginning of combat on your turn, ano...

{1}{G}{U}: Put a +1/+1 counter on target creature you control. Whenever one or more +1/+1 counters are put on a creature you control, put that many...

Creature spells you control can't be countered. Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 c...

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Each player mills four cards. Then you may exile a cre...

As Etchings of the Chosen enters the battlefield, choose a creature type. Creatures you control of the chosen type get +1/+1. {1}, Sacrifice a crea...

If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.

If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on that creature instead.

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

Whenever an opponent loses life, you gain that much life.

At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X i...

At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X i...

At the beginning of each end step, each opponent loses life equal to the life they lost this turn. (Damage causes loss of life.)

At the beginning of each end step, each opponent loses life equal to the life they lost this turn. (Damage causes loss of life.)

Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. (Each {U} in the mana costs of permanents you control c...

At the beginning of your upkeep, put a time counter on As Foretold. Once each turn, you may pay {0} rather than pay the mana cost for a spell you c...