I Know All, I See All (Schemes) [Archenemy Schemes] Elf Archer sacrifice Koskun Falls unless you

sacrifice Koskun Falls unless you tap an untapped creature you control

When Dance of Many leaves the battlefield

−7: Create four 5/5 red Dragon creature tokens with flying

Set: Masters 25 Type: Artifact Rarity: Mythic Cost: {X}{X} Chalice of the Void enters the battlefield with X charge counters on it

Set: Beta Edition Type: Artifact Rarity: Rare Cost: {4} {2}

I Know All, I See All (Schemes) [Archenemy Schemes] Elf Archer sacrifice Koskun Falls unless youSet: Archenemy Schemes Type: Ongoing Scheme Rarity: Common (An ongoing scheme remains face up until it's abandoned.) Untap all permanents you control during each opponent's untap step. At the beginning of each end step, if three or more cards were put into your graveyard this turn from anywhere, abandon this scheme.