Boxing Day

All lands become 2/2 creatures until end of turn. They're still lands.

Trample

Trample When Megatherium enters the battlefield, sacrifice it unless you pay {1} for each card in your hand.

Enchant creature All creatures able to block enchanted creature do so.

All creatures have forestwalk. (They can't be blocked as long as defending player controls a Forest.)

At the beginning of each player's upkeep, that player may put a +1/+1 counter on target creature of their choice.

If you have no land cards in hand, you may reveal your hand rather than pay this spell's mana cost. Search your library for a Forest card, reveal ...

{R}, {T}, Discard a card: Destroy target Wall.

Flying Battle Squadron's power and toughness are each equal to the number of creatures you control.

Defender {T}: Target creature gains haste until end of turn.

{1}{R}, Sacrifice a Goblin: Arms Dealer deals 4 damage to target creature.

Defender (This creature can't attack.) {2}{B}, {T}: Target player discards a card. Activate only as a sorcery.

Destroy target nonblack creature. It can't be regenerated. You lose life equal to that creature's toughness.

{1}{W}, {T}, Discard a card: Destroy target artifact or enchantment.

Enchant creature At the beginning of the upkeep of enchanted creature's controller, Unnatural Hunger deals damage equal to that creature's power t...

You may exile a black card from your hand rather than pay this spell's mana cost. Target player reveals their hand. You choose a nonland card from...

{B}, {T}, Discard a card: Return target creature card from your graveyard to your hand.

{B}: Thrashing Wumpus deals 1 damage to each creature and each player.

When Strongarm Thug enters the battlefield, you may return target Mercenary card from your graveyard to your hand.

Target player discards a card at random.

Enchant creature Pay 2 life: Regenerate enchanted creature.

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost. Destroy target nonblack creature. It can't be regenerated.

When Skulking Fugitive becomes the target of a spell or ability, sacrifice it.

{3}{B}: Destroy target blocking creature at end of combat.