Boxing Day

At the beginning of your upkeep, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") {T}, Sacrif...

Equipped creature gets +1/+1. When equipped creature transforms, transform Neglected Heirloom. Equip {1}

Equipped creature gets +1/+1. When equipped creature transforms, transform Neglected Heirloom. Equip {1}

Lupine Prototype can't attack or block unless a player has no cards in hand.

When Geistcatcher's Rig enters, you may have it deal 4 damage to target creature with flying.

Equipped creature gets +4/+2. Equip—Sacrifice a creature.

Cryptolith Fragment enters tapped. {T}: Add one mana of any color. Each player loses 1 life. At the beginning of your upkeep, if each player has 10...

Creatures attacking you get -1/-0. At the beginning of each end step, if you were dealt 4 or more damage this turn, exile Boarded Window.

Whenever a creature you control enters, you may have Angel's Tomb become a 3/3 white Angel artifact creature with flying until end of turn.

Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.) Whenever you cast a creat...

Enchant creature Enchanted creature gets +1/+0 and has flying. {3}{W}: Return Gryff's Boon from your graveyard to the battlefield attached to targe...

[+1]: Choose up to two target creatures. Until your next turn, whenever either of those creatures deals combat damage, you draw a card. [−2]: Tap u...

Destroy target nonland permanent and all other permanents with the same name as that permanent.

When Gisa and Geralf enters, mill four cards. Once during each of your turns, you may cast a Zombie creature spell from your graveyard.

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. Flashback {1}{U}{R} (You may ca...

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. Flashback {1}{U}{R} (You may ca...

Whenever you sacrifice another creature, you gain 1 life and scry 1. (Look at the top card of your library. You may put that card on the bottom.) {...

When Bloodtithe Harvester enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.") {...

Whenever Bloodhall Priest enters or attacks, if you have no cards in hand, Bloodhall Priest deals 2 damage to any target. Madness {1}{B}{R} (If you...

Other Zombies you control get +1/+0.

Target creature gets +3/+1 and gains trample until end of turn. Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost...

Target creature gets +3/+1 and gains trample until end of turn. Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost...

Whenever a nontoken creature you control dies, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card....

Put a +1/+1 counter on each of up to two target creatures. Flashback {1}{W} (You may cast this card from your graveyard for its flashback cost. The...