Boxing Day

Trample Keen Senses — When Owlbear enters the battlefield, draw a card.

Whenever Tanuki Transplanter or equipped creature attacks, add an amount of {G} equal to its power. Until end of turn, you don't lose this mana as ...

Exile target artifact or creature, then return it to the battlefield under its owner's control with a +1/+1 counter on it.

Ninjutsu {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)...

{T}: Add {C}. Spend this mana only to activate an ability or cast an artifact spell.

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Until end of turn, target creature gets +1/+0 and gains lifelink and "When this creature dies, return it to the battlefield tapped under its owner'...

Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)...

Other Vampires you control get +1/+1. When Edgar, Charmed Groom dies, return it to the battlefield transformed under its owner's control.

Other Vampires you control get +1/+1. When Edgar, Charmed Groom dies, return it to the battlefield transformed under its owner's control.

{U}, Sacrifice Malevolent Hermit: Counter target noncreature spell unless its controller pays {3}. Disturb {2}{U} (You may cast this card from your...

Destroy target artifact or enchantment. You gain 3 life.

Target player draws two cards and loses 2 life.

Target creature you control gets +2/+0 and gains lifelink until end of turn. When that creature dies this turn, create a 1/1 white Spirit creature ...

Create a token that's a copy of target non-Frog creature, except it's a 1/1 green Frog. Flashback {3}{G}{U} (You may cast this card from your grave...

Other Zombies you control get +1/+0.

As an additional cost to cast this spell, discard a card. Draw two cards. Flashback {3}{R} (You may cast this card from your graveyard for its flas...

If a creature an opponent controls would die, exile it instead. At the beginning of your upkeep, put all creature cards exiled with Gisa, Glorious ...

{T}: Add three mana of any one color. Spend this mana only to cast creature spells.

If you control two or more other lands, Den of the Bugbear enters the battlefield tapped. {T}: Add {R}. {3}{R}: Until end of turn, Den of the Bugbe...

(Gain the next level as a sorcery to add its ability.) Whenever a creature you control deals combat damage to a player, exile the top card of that ...

When Swarming Goblins enters the battlefield, roll a d20. 1—9 | Create a 1/1 red Goblin creature token. 10—19 | Create two of those tokens. 20 | Cr...

Target permanent gains hexproof and indestructible until end of turn. If it's an artifact creature, it gets +2/+2 until end of turn.

Activated abilities of creatures can't be activated.