Pact of Negation [Modern Masters] Commander Anthology Volume II if no creatures are on

if no creatures are on the battlefield

that source's controller sacrifices that many permanents

Whenever a creature you control dies or is put into the command zone

Set: Zendikar Type: Creature — Snake Rarity: Mythic Cost: {1}{G} Landfall — Whenever a land enters the battlefield under your control

Set: Alpha Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {W} Enchant creature

Pact of Negation [Modern Masters] Commander Anthology Volume II if no creatures are onSet: 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.