Boxing Day

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters with two +1/+1 counters on it.)

Paradox — Whenever you cast a spell from anywhere other than your hand, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token...

{T}: This creature deals 1 damage to target player or planeswalker.

First strike {W}{U}{B}{R}{G}: Until end of turn, this creature becomes a Dragon, gets +5/+3, and gains flying and trample.

{T}: Exile the top card of your library. Until your next end step, you may play it. Doctor's companion (You can have two commanders if the other is...

{T}: This creature deals 4 damage to target creature. Activate only if this creature's power is 4 or greater.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.) First strike (This creature deals comba...

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters with two +1/+1 counters on it.) Lifelink (Damage dealt by this creat...

At the beginning of your upkeep, you lose 1 life unless an opponent has 10 or less life.

Whenever you cast a Spirit or Arcane spell, target opponent loses 1 life and you gain 1 life. Soulshift 2 (When this creature dies, you may return ...

Flying Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Whenever a creature you control attacks...

{T}: Add {U} for each counter on Nardole. Spend this mana only to cast noncreature spells. Undying (When this creature dies, if it had no +1/+1 cou...

At the beginning of combat on your turn, create a 2/2 red Mutant creature token. It gains haste until end of turn. Destroy it at the beginning of t...

During your turn, this creature has first strike. Whenever this creature attacks, you may discard a card. If you do, draw a card.

During your turn, this creature has first strike. Whenever this creature attacks, you may discard a card. If you do, draw a card.

Trample Alliance — Whenever another creature you control enters, this creature gets +1/+0 until end of turn.

Flying {3}{W}: Target creature without flying gains flying until end of turn. Activate only as a sorcery.

Flying {3}{W}: Target creature without flying gains flying until end of turn. Activate only as a sorcery.

Deathtouch

Sneak {B} (You may cast this spell for {B} if you also return an unblocked attacker you control to hand during the declare blockers step. He enters...

Trample At the beginning of combat on your turn, put a +1/+1 counter on Savanti Romero. Then you draw X cards and lose X life, where X is the numbe...

Flying Disappear — At the beginning of your end step, if a permanent left the battlefield under your control this turn, scry 1. (Look at the top ca...

Lifelink Disappear — When this creature enters, if a permanent left the battlefield under your control this turn, create a 1/1 black Ninja creature...

{R}, {T}: This creature loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {R} to ...