Boxing Day

When this creature enters, ask a person outside the game to high-five you. If they won't, this creature gains haste until end of turn.

({T}: Add {U}.)

Whenever you crank this Contraption, target creature gets +3/+3 until end of turn.

Flying Prowl {2}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Faerie or Rogue.) When this creat...

When this creature enters, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

This land enters tapped. {T}: Add {R} or {W}.

Flash (You may cast this spell any time you could cast an instant.) Flying

When this creature enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

Destroy target creature with power 3 or less.

Target creature gets +2/+2 until end of turn. If it's a Vampire, it gains first strike until end of turn.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

Unfriendly Fire deals 4 damage to any target.

When this creature enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 c...

Whenever this creature attacks, if you control a Dinosaur, this creature gets +1/+1 until end of turn.

As long as you control another Dinosaur, this creature gets +2/+0 and has trample.

Whenever this creature attacks, tap target creature an opponent controls.

Enchant creature Enchanted creature gets +2/+2 and has haste.

Target creature gets +3/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Vigilance When this creature enters, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put...

Enrage — Whenever this creature is dealt damage, it deals 3 damage to target opponent or planeswalker.

This creature can't be blocked. When this creature enters, return a creature you control to its owner's hand.

Raid — When this creature enters, if you attacked this turn, this creature deals 2 damage to any target.