Pact of Negation [Time Spiral Remastered]Set: Time Spiral Remastered Type: Instant Rarity: Rare Cost: {0} Counter target spell. At the beginning of your next upkeep, pay {3}{U}{U}. If you don't, you lose the game. Those who expect betrayal at every turn are seldom disappointed.

1 Rakdos Carnarium

If carnage gets more votes

Set: Commander 2014 Type: Creature — Elemental Beast Rarity: Rare Cost: {5}{G} When Grave Sifter enters the battlefield

Set: Legends Type: Legendary Creature — Demon Rarity: Rare Cost: {2}{U}{B}{R} Swampwalk (This creature can't be blocked as long as defending player controls a Swamp

"Everything comes with a price

Set: Classic Sixth Edition Type: Instant Rarity: Rare Cost: {B} Search your library for a card

When Cavalier of Night dies

Set: Revised Edition Type: Artifact Rarity: Rare Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps

so you can keep your Fire-type Pokémon totally fired up

Set: Sword & Shield: Chilling Reign Type: Darkness Rarity: Ultra Rare Retreat cost: Colorless

Set: Black & White: Plasma Freeze Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

Set: Mystery Booster Type: Instant Rarity: Rare Cost: {5}{W} Double target player's life total