Mana Vault [Limited Edition Beta] Portal Three Kingdoms Whenever another Scarecrow enters the

Whenever another Scarecrow enters the battlefield under your control

we must bring Phyrexia's magnificence to them

This coupon is nontransferable and invalid if shattered

sacrifice Koskun Falls unless you tap an untapped creature you control

I simply reveal

Mana Vault [Limited Edition Beta] Portal Three Kingdoms Whenever another Scarecrow enters theSet: Limited Edition Beta Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.