Boxing Day

Sacrifice an Atog creature: Atogatog gets +X/+X until end of turn, where X is the sacrificed creature's power.

All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay 1 life."

Whenever Vicious Kavu attacks, it gets +2/+0 until end of turn.

Flying Urborg Drake attacks each combat if able.

Counter target spell. Its controller loses 3 life.

First strike, protection from legendary creatures {B}{B}, {T}: Destroy target legendary creature. It can't be regenerated.

Destroy target nonblack creature.

Flying, trample At the beginning of your upkeep, sacrifice a creature. Sacrifice a creature: Regenerate Devouring Strossus.

Choose one — • Return target creature card from your graveyard to your hand. • Darigaaz's Charm deals 3 damage to any target. • Target creature ...

Choose a card name other than a basic land card name. Reveal the top seven cards of your library and put all of them with that name into your hand....

Trample Whenever Fungal Shambler deals damage to an opponent, you draw a card and that opponent discards a card.

Whenever a creature attacks you or a planeswalker you control, that creature's controller loses 1 life.

Prevent all combat damage that would be dealt this turn if {W} was spent to cast this spell. Each player loses 1 life for each attacking creature t...

Noncreature spells you cast cost {2} less to cast. Whenever you cast a noncreature spell, counter that spell unless you sacrifice a creature.

{B}, {T}, Discard a card: Create a 1/1 black Zombie Goblin creature token named Festering Goblin. It has "When Festering Goblin dies, target creatu...

Target creature deals damage to itself equal to its power.

Target creature gains undying until end of turn. (When it dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's c...

Flying Whenever another artifact enters the battlefield under your control, Glaze Fiend gets +2/+2 until end of turn.

Target player discards X cards at random.

Whenever Slith Bloodletter deals combat damage to a player, put a +1/+1 counter on it. {1}{B}: Regenerate Slith Bloodletter.

{T}, Exile an Assassin card from your graveyard: Destroy target creature.

When you cast this spell, any player may discard three cards. If a player does, counter Phantasmagorian. Discard three cards: Return Phantasmagoria...

{3}{U}, {T}: Tap target creature. {3}{B}, {T}: Destroy target tapped creature.

Target player discards a card. If a land card is discarded this way, return Psychic Miasma to its owner's hand.