Mana Screw [Unhinged] Crab Set: Magic 2013 Type: Sorcery

Set: Magic 2013 Type: Sorcery Rarity: Rare Cost: {2}{B}{B} All creatures get -1/-1 until end of turn for each Swamp you control

Set: Ixalan Prerelease Promos Type: Legendary Creature — Vampire Knight Rarity: Mythic Cost: {3}{W}{B} Vigilance

Whenever Okiba-Gang Shinobi deals combat damage to a player

create a 5/5 green Wurm creature token with trample

the Renewer deals combat damage to a player

Mana Screw [Unhinged] Crab Set: Magic 2013 Type: SorcerySet: Unhinged Type: Artifact Rarity: Uncommon Cost: {1} {1}: Flip a coin. If you win the flip, add {C}{C}. Activate only as an instant. There was no darker or more evil creation in all the multiverse than that of the mana screw.