Pernicious Deed [Judge Gift Cards 2006]Set: Judge Gift Cards 2006 Type: Enchantment Rarity: Rare Cost: {1}{B}{G} {X}, Sacrifice Pernicious Deed: Destroy each artifact, creature, and enchantment with converted mana cost X or less. "The tyrannous and bloody deed is done, The most arch deed of piteous massacre That ever yet this land was guilty of." William Shakespeare, *Richard III*

Set: Darksteel Type: Artifact — Equipment Rarity: Rare Cost: {3} Equipped creature gets +2/+2 and has protection from red and from blue

Set: Fifth Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U} Enchant enchantment

Set: Modern Masters 2017 Type: Sorcery Rarity: Rare Cost: {2}{B}{B} Destroy all creatures

If it's December

if it wasn't the first land you played this turn

Set: Arabian Nights Type: Creature — Human Rarity: Uncommon Cost: {W} When Abu Ja'far dies

Whenever another black creature you control dies

Unfortunately

"Compensation"

If that mana is spent on an instant or sorcery spell

+1: Untap up to four target Forests

Set: Limited Edition Beta Type: Artifact Creature — Beast Rarity: Rare Cost: {6} Clockwork Beast enters the battlefield with seven +1/+0 counters on it