Boxing Day

Underdark Beholder enters the battlefield with ten eyestalk counters on it. If Underdark Beholder would be dealt damage, remove that many eyestalk ...

Flying Whenever Swarm of Locus attacks, it gets +1/+0 until end of turn for each Locus you control.

You lose the game.

Each player discards a card, then loses 1 life, then sacrifices an artifact, a creature, an enchantment, a land, a planeswalker, and a tribal perma...

When Gunk Slug enters the battlefield, create three Gunk token cards and shuffle them into target opponent's library. (Gunk is a colorless sorcery ...

When Frogkin Kidnapper enters the battlefield, target opponent reveals their hand. Choose a nonland card from it. Ransom that card. (Exile it. Its ...

Everlasting Lich can't block. Everlasting Lich can't die. (This creature has indestructible, can't be sacrificed, and doesn't go to the graveyard f...

When Cyclopean Titan dies, two target lands become Swamps. Exile Cyclopean Titan. {3}, {T}: Tap target creature, then return Cyclopean Titan to its...

As long as Corrupted Key is tapped, creatures you control have menace and deathtouch.

When Celestine Cave Witch enters the battlefield, create two 1/1 black Insect creature tokens. Whenever Celestine Cave Witch attacks, you may sacri...

When Bone Rattler is put into your graveyard from anywhere, exile it. When you do, create four Reassembling Skeleton token cards and put them into ...

Flying, indestructible When Puresteel Angel enters the battlefield, exile all artifacts that aren't colorless. Whenever Puresteel Angel deals comba...

As Pithing Spyglass enters the battlefield, name a keyword ability or ability word. All cards in all zones lose that keyword ability or ability wor...

You draw cards from the bottom of your library instead of the top of your library.

When Chronobot enters the battlefield, switch upkeep steps with target opponent for as long as it remains on the battlefield. (You take your upkeep...

Flying, deathtouch When Zyym, Mesmeric Lord enters the battlefield, target opponent chooses an order for the cards in their hand, then reveals them...

Put a manabond counter on all creatures. (They lose all other abilities and become lands with "{T}: Add one mana of this card's color.")

Create two 1/1 white Warrior creature tokens with vigilance.

Destroy target artifact.

All Hounds are Dogs. (We'll errata this to be true.) First strike, lifelink Underdog — If you've lost a game this match, Ruff, Underdog Champ and o...

All creature cards you own with flash are instants in addition to their other types. Whenever you cast another spell with two or more card types, y...

Target opponent chooses one — • Truth — That player plays with their hand revealed for the rest of the game. • Dare — Mill all but the bottom ten c...

Take an extra turn after this one. If this card is in your opening hand, you may exile it. If you do, create four Time Walk token cards and shuffle...

Exile target permanent, then put it into its owner's hand. That player discards that card, then puts it on top of their library. Then they put it o...