Do or Die [Invasion] Khans of Tarkir Prerelease Promos Creatures can't attack you unless

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

Set: Friday Night Magic 2005 Type: Artifact Rarity: Rare Cost: {4} {1}

Set: Unlimited Edition Type: Instant Rarity: Uncommon Cost: {G} Cast this spell only during your declare attackers step

that player sacrifices all but that many permanents

Set: Kaladesh Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {3}{U}{U} Whenever you cast an instant or sorcery spell

Do or Die [Invasion] Khans of Tarkir Prerelease Promos Creatures can't attack you unlessSet: Invasion Type: Sorcery Rarity: Rare Cost: {1}{B} Separate all creatures target player controls into two piles. Destroy all creatures in the pile of that player's choice. They can't be regenerated.