Boxing Day

Destroy all Plains.

Enchant creature {R}: Enchanted creature gets +1/+0 until end of turn.

At the beginning of your upkeep, sacrifice this enchantment unless you pay {W}{W}. All Mountains are Plains.

Flying {R}, {T}: This creature deals 1 damage to target attacking or blocking creature.

Target spell or permanent becomes red. (Its mana symbols remain unchanged.)

Whenever this creature attacks, it gets +1/-2 until end of turn. {1}{R}{R}, {T}: Target creature gains mountainwalk until end of turn. (It can't be...

Enchant creature Enchanted creature has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)

{1}{R}{R}: This creature deals 1 damage to any target and 1 damage to you.

{R}: Tap target Wall.

Enchant artifact At the beginning of the upkeep of enchanted artifact's controller, this Aura deals 1 damage to that player.

Flying (This creature can't be blocked except by creatures with flying or reach.) {B}: This creature gets +1/+0 until end of turn. Activate no more...

Enchant creature Whenever enchanted creature becomes tapped, put a -0/-2 counter on it.

At the beginning of each end step, put a corpse counter on this creature for each creature that died this turn. Remove a corpse counter from this c...

{B}{B}{B}, {T}: Target opponent reveals their hand and discards a creature card at random. Activate only during your turn.

Whenever this creature attacks and isn't blocked, it gets +2/+0 until end of combat.

Flying At the beginning of your upkeep, sacrifice this creature unless you pay {B}{B}.

Whenever this creature deals damage, you gain that much life.

Target spell or permanent becomes black. (Mana symbols on that permanent remain unchanged.)

Enchant land At the beginning of the upkeep of enchanted land's controller, this Aura deals 1 damage to that player.

First strike At the beginning of your upkeep, destroy this creature unless you pay {3}{B}{B}{B}. If this creature is destroyed this way, it deals 7...

{1}: This creature gets +1/+1 until end of turn.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Flying