Boxing Day

Destroy target land. Devastate deals 1 damage to each creature and each player.

At the beginning of each player's end step, Citadel of Pain deals X damage to that player, where X is the number of untapped lands they control.

Activated abilities of nontoken Rebels cost an additional "Sacrifice a land" to activate.

Branded Brawlers can't attack if defending player controls an untapped land. Branded Brawlers can't block if you control an untapped land.

Enchant land Enchanted land has "{T}: This land deals 1 damage to any target."

If an opponent controls seven or more lands, this spell costs {6} less to cast. Flying {R}: Avatar of Fury gets +1/+0 until end of turn.

At the beginning of your upkeep, sacrifice Whipstitched Zombie unless you pay {B}.

Exile target attacking creature unless its controller pays {X}.

Target creature gets +1/+1 until end of turn. Another target creature gets -1/-1 until end of turn.

Return two target creature cards from your graveyard to your hand unless any player pays {X}.

Unless any player pays {2}, search your library for a card, put that card into your hand, then shuffle.

Unless target player pays {3}, that player loses 5 life and you gain 5 life.

Rebel Informer can't be the target of white spells or abilities from white sources. {3}: Put target nontoken Rebel on the bottom of its owner's li...

Destroy all creatures you don't control. They can't be regenerated.

Whenever Plague Fiend deals combat damage to a creature, destroy that creature unless its controller pays {2}.

Flying, first strike At the beginning of your upkeep, sacrifice Pit Raptor unless you pay {2}{B}{B}.

You may discard a Swamp card rather than pay this spell's mana cost. Choose a creature type. All creatures of that type get -1/-1 until end of turn.

Enchant land Enchanted land has "{T}: This land deals 1 damage to each creature and each player."

Enchant creature Enchanted creature can block any number of creatures.

{B}: Nakaya Shade gets +1/+1 until end of turn unless any player pays {2}.

At the beginning of each player's upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card...

Flash Enchant creature Enchanted creature gets -3/-0.

{X}{B}, {T}, Discard two cards: Target player discards X cards at random.

Target player discards a card at random. Then that player discards another card at random unless they pay {1}.