Boxing Day

Search your library for a Demon card, reveal it, put it into your hand, then shuffle. Delirium — If there are four or more card types among cards i...

Impending 4—{1}{U}{U} (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is remo...

Flash Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, draw a card.

Marvin, Murderous Mimic has all activated abilities of creatures you control that don't have the same name as this creature.

Tap another untapped creature you control: Tyvar, the Pummeler gains indestructible until end of turn. Tap it. {3}{G}{G}: Creatures you control get...

Silent Hallcreeper can't be blocked. Whenever Silent Hallcreeper deals combat damage to a player, choose one that hasn't been chosen — • Put two +1...

{T}: Add {G}. {T}: Add {W}. Activate only if you control a Forest or a Plains.

{T}: Add {U}. {T}: Add {B}. Activate only if you control an Island or a Swamp.

Hexproof Valgavoth's Lair enters tapped. As it enters, choose a color. {T}: Add one mana of the chosen color.

Manifest dread X times, then put X +1/+1 counters on each of those creatures. (To manifest dread, look at the top two cards of your library, then p...

Delirium — Whenever Omnivorous Flytrap enters or attacks, if there are four or more card types among cards in your graveyard, distribute two +1/+1 ...

Whenever Hedge Shredder attacks, you may mill two cards. Whenever one or more land cards are put into your graveyard from your library, put them on...

Destroy target creature. If a creature card is put into a graveyard this way, return it to the battlefield under your control. Sacrifice it at the ...

Choose one — • Destroy all tapped creatures. • Destroy all untapped creatures.

Flying When Ghostly Dancers enters, return an enchantment card from your graveyard to your hand or unlock a locked door of a Room you control. Eeri...

Flash Enchant creature you control As long as Shardmage's Rescue entered this turn, enchanted creature has hexproof. Enchanted creature gets +1/+1.

Survival — At the beginning of your second main phase, if Reluctant Role Model is tapped, put a flying, lifelink, or +1/+1 counter on it. Whenever ...

When The Swarmweaver enters, create two 1/1 black and green Insect creature tokens with flying. Delirium — As long as there are four or more card t...

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.) You may pl...

Manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your gravey...

Haste When Clockwork Percussionist dies, exile the top card of your library. You may play it until the end of your next turn.

When Meathook Massacre II enters, each player sacrifices X creatures. Whenever a creature you control dies, you may pay 3 life. If you do, return t...

{T}: Add one mana of any color. Put a nest counter on Twitching Doll. {T}, Sacrifice Twitching Doll: Create a 2/2 green Spider creature token with ...

Whenever another creature you control enters, it gets +2/+0 and gains haste until end of turn. When Enduring Courage dies, if it was a creature, re...