Pact of Negation [Modern Masters] Commander Anthology Volume II that source's controller sacrifices that

that source's controller sacrifices that many permanents

Set: Conspiracy: Take the Crown Type: Enchantment Rarity: Rare Cost: {G} Whenever an opponent plays a land

Set: Planechase Type: Sorcery Rarity: Uncommon Cost: {2}{U} Search your library for an artifact card

(They can't be blocked except by artifact creatures and/or black creatures

Persist (When this creature dies

Pact of Negation [Modern Masters] Commander Anthology Volume II that source's controller sacrifices thatSet: Modern Masters 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.