Mana Vault [Beta Edition] Cow Prevent all damage that would

Prevent all damage that would be dealt to any target this turn by a source of your choice

When Aven Riftwatcher enters or leaves the battlefield

{T}: You may tap or untap target artifact

Set: Mirage Type: Enchantment Rarity: Rare Cost: {2}{U}{U} As Shimmer enters the battlefield

Manor Gargoyle has indestructible as long as it has defender

Mana Vault [Beta Edition] Cow Prevent all damage that wouldSet: Beta 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}.