Boxing Day

All Sliver creatures have double strike.

At the beginning of your upkeep, destroy the creature with the least power. It can't be regenerated. If two or more creatures are tied for least po...

At the beginning of your upkeep, put a spore counter on Pallid Mycoderm. Remove three spore counters from Pallid Mycoderm: Create a 1/1 green Sapro...

Flash; 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...

At the beginning of your upkeep, put a spore counter on Mycologist. Remove three spore counters from Mycologist: Create a 1/1 green Saproling creat...

{T}: Add {C}. {7}, {T}: Create a 2/2 colorless Assembly-Worker artifact creature token.

{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.

{T}: Add {C}. {1}, {T}: Put a storage counter on Saltcrusted Steppe. {1}, Remove X storage counters from Saltcrusted Steppe: Add X mana in any comb...

{T}: Add {C}. {1}, {T}: Put a storage counter on Molten Slagheap. {1}, Remove X storage counters from Molten Slagheap: Add X mana in any combinatio...

{T}: Add {C}. {1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

Exile target creature you control, then return it to the battlefield under its owner's control. Flashback {3}{U} (You may cast this card from your ...

{T}: Add {C}. {1}, {T}: Put a storage counter on Fungal Reaches. {1}, Remove X storage counters from Fungal Reaches: Add X mana in any combination ...

{T}: Add {C}. {1}, {T}: Add one mana of any color.

As Paradise Plume enters the battlefield, choose a color. Whenever a player casts a spell of the chosen color, you may gain 1 life. {T}: Add one ma...

{T}: Exile Mangara of Corondor and target permanent.

{T}: Choose target permanent you control or suspended card you own. If that permanent or card has a time counter on it, you may remove a time count...

Creatures you control are Slivers in addition to their other creature types.

{T}: Add one mana of any color. {T}: Put a charge counter on Coalition Relic. At the beginning of your precombat main phase, remove all charge coun...

Whenever Radha, Heir to Keld attacks, you may add {R}{R}. {T}: Add {G}.

All Slivers have "{3}, Sacrifice this permanent: Destroy target permanent."

Whenever an opponent casts a spell, Kaervek the Merciless deals damage to any target equal to that spell's converted mana cost.

All Slivers have "When this permanent enters the battlefield, destroy target artifact or enchantment."

You may reveal a multicolored card you own from outside the game and put it into your hand. Exile Glittering Wish.

All Sliver creatures have haste. All Slivers have "{1}, Sacrifice this permanent: Target Sliver creature gets +2/+2 until end of turn."