Boxing Day

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, put a +1/+1 counter on target creature.

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

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

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...

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

Whenever you gain life, target opponent loses that much life. When Enduring Tenacity dies, if it was a creature, return it to the battlefield under...

When Fear of Missing Out enters, discard a card, then draw a card. Delirium — Whenever Fear of Missing Out attacks for the first time each turn, if...

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...

When Toby, Beastie Befriender enters, create a 4/4 white Beast creature token with "This creature can't attack or block alone." As long as you cont...

Haste {1}, {T}: Create a token that's a copy of another target creature you control, except it's a 1/1 red Balloon creature in addition to its othe...

{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 ...

Vigilance Creatures you control have "{T}: Add one mana of any color." When Enduring Vitality dies, if it was a creature, return it to the battlefi...

Haste Whenever Screaming Nemesis is dealt damage, it deals that much damage to any other target. If a player is dealt damage this way, they can't g...

Impending 4—{2}{R}{R} (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...

Destroy target creature or enchantment. You lose 2 life.

Impending 5—{1}{B} (If you cast this spell for its impending cost, it enters with five time counters and isn't a creature until the last is removed...

Flying When Doomsday Excruciator enters, if it was cast, each player exiles all but the bottom six cards of their library face down. At the beginni...

Lifelink Whenever one or more other creatures you control with power 2 or less enter, draw a card. This ability triggers only once each turn. When ...

Flash Whenever a creature you control deals combat damage to a player, draw a card. When Enduring Curiosity dies, if it was a creature, return it t...

{T}: Add {B}. {T}: Add {R}. Activate only if you control a Swamp or a Mountain.

Menace Whenever Nashi, Searcher in the Dark deals combat damage to a player, you mill that many cards. You may put any number of legendary and/or e...

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

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