The Very Soil Shall Shake (Schemes) [Archenemy Schemes] 210 sacrifice Contamination unless you sacrifice

sacrifice Contamination unless you sacrifice a creature

they often substitute whimsy for strategy

Set: Oath of the Gatewatch Prerelease Promos Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {8}{C}{C} When you cast this spell

Then look at the exiled cards and put them on top of your library in any order

They never keep it for long

The Very Soil Shall Shake (Schemes) [Archenemy Schemes] 210 sacrifice Contamination unless you sacrificeSet: Archenemy Schemes Type: Ongoing Scheme Rarity: Common (An ongoing scheme remains face up until it's abandoned.) Creatures you control get +2 +2 and have trample. When a creature you control dies, abandon this scheme.