Mana Vault [Fifth Edition] Scars of Mirrodin tap Yawgmoth Demon and it

tap Yawgmoth Demon and it deals 2 damage to you

you may sacrifice an artifact

"There will come a time when the only prey left will be each other

Set: Eventide Type: Creature — Elemental Rarity: Rare Cost: {1}{B}{B} Wither (This deals damage to creatures in the form of -1/-1 counters

Set: The Dark Type: Enchantment Rarity: Rare Cost: {B}{B}{B} At the beginning of your upkeep

Mana Vault [Fifth Edition] Scars of Mirrodin tap Yawgmoth Demon and itSet: Fifth Edition 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}.