Horn of Deafening [Legends] Artifact Set: Dominaria Prerelease Promos Type:

Set: Dominaria Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {0} {T}: Add one mana of any color among legendary creatures and planeswalkers you control

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

As Watery Grave enters the battlefield

(Damage causes loss of life

the Mutable becomes a Human with base power and toughness 1/1

Horn of Deafening [Legends] Artifact Set: Dominaria Prerelease Promos Type:Set: Legends Type: Artifact Rarity: Rare Cost: {4} {2}, {T}: Prevent all combat damage that would be dealt by target creature this turn. "A blast, an echo . . . then silence."