Boxing Day

Haste At the beginning of your upkeep, if Nether Shadow is in your graveyard with three or more creature cards above it, you may put Nether Shadow ...

When Flametongue Kavu enters the battlefield, it deals 4 damage to target creature.

When Fleshbag Marauder enters the battlefield, each player sacrifices a creature.

Deep-Sea Kraken can't be blocked. Suspend 9—{2}{U} (Rather than cast this card from your hand, you may pay {2}{U} and exile it with nine time count...

Whenever you cast an instant or sorcery spell, create a 1/1 red Elemental creature token.

Flying At the beginning of your upkeep, sacrifice Waterspout Djinn unless you return an untapped Island you control to its owner's hand.

When Voice of Many enters the battlefield, draw a card for each opponent who controls fewer creatures than you.

Hooded Hydra enters the battlefield with X +1/+1 counters on it. When Hooded Hydra dies, create a 1/1 green Snake creature token for each +1/+1 cou...

{1}{R}, {T}, Sacrifice Magus of the Wheel: Each player discards their hand, then draws seven cards.

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on...

First strike When Nightshade Assassin enters the battlefield, you may reveal X black cards in your hand. If you do, target creature gets -X/-X unti...

This spell costs {1} less to cast for each artifact you control. When Emry, Lurker of the Loch enters the battlefield, put the top four cards of yo...

Flying If you would gain life, you gain that much life plus 1 instead. Angel of Vitality gets +2/+2 as long as you have 25 or more life.

Haste Whenever you discard a card, Glint-Horn Buccaneer deals 1 damage to each opponent. {1}{R}, Discard a card: Draw a card. Activate this ability...

At the beginning of your upkeep, discard a card.

Sliver creatures you control have flying and haste.

Vanishing 3 (This creature enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. W...

Hellbent — As long as you have no cards in hand, Sliver creatures you control have "{T}: This creature deals 1 damage to target player or planeswal...

Whenever a land enters the battlefield under your control, proliferate. (Choose any number of permanents and/or players, then give each another cou...

Manta Ray can't attack unless defending player controls an Island. Manta Ray can't be blocked except by blue creatures. When you control no Islands...

Whenever Sawtooth Ogre blocks or becomes blocked by a creature, Sawtooth Ogre deals 1 damage to that creature at end of combat.

Trample {1}{G}: Canopy Dragon gains flying and loses trample until end of turn.