Boxing Day

All Sliver creatures have provoke. (Whenever a Sliver attacks, its controller may have target creature defending player controls untap and block it...

Morph {3}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turne...

Flying Cycling {2} ({2}, Discard this card: Draw a card.)

Flying {T}, Tap two untapped Birds you control: Return target permanent to its owner's hand.

Amplify 3 (As this creature enters, put three +1/+1 counters on it for each Dragon card you reveal in your hand.) Flying {T}: This creature deals d...

At the beginning of your upkeep, sacrifice this creature unless you pay {G}{G}. Morph {7}{G}{G} (You may cast this card face down as a 2/2 creature...

Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.) This creature can't be...

At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, this creature deals 3 damage to that player.

Vigilance Morph {1}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creatur...

First strike Provoke (Whenever this creature attacks, you may have target creature defending player controls untap and block it if able.)

First strike, haste Cycling {3} ({3}, Discard this card: Draw a card.)

All Slivers have "{T}: Target Sliver creature gets +X/+0 until end of turn, where X is the number of Slivers on the battlefield."

Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turne...

When this creature enters, draw a card.

Flying {1}: This creature becomes the creature type of your choice until end of turn. Morph {1}{U} (You may cast this card face down as a 2/2 creat...

All Slivers have "{1}: This permanent becomes the creature type of your choice in addition to its other types until end of turn."

Mistform Ultimus is every creature type (even if this card isn't on the battlefield).

Flying {1}: This creature becomes the creature type of your choice until end of turn. {2}{U}{U}, {T}: Choose a creature type. Each creature you con...

Morph {1}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turne...

Reach (This creature can block creatures with flying.)

Whenever this creature or another Zombie enters, all non-Zombie creatures get -1/-1 until end of turn.

Morph {2}{G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turne...

When Phage enters, if you didn't cast it from your hand, you lose the game. Whenever Phage deals combat damage to a creature, destroy that creature...

{3}{W}, Exile this creature: Exile all creatures. At the beginning of the next end step, return those cards to the battlefield under their owners' ...