Watery Grave [Ravnica: City of Guilds] Emblem {T}: Gain control of target

{T}: Gain control of target creature with power less than or equal to the number of Islands you control for as long as Vedalken Shackles remains tapped

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

At the beginning of the upkeep of enchanted enchantment's controller

tap enchanted creature

sacrifice a creature

Watery Grave [Ravnica: City of Guilds] Emblem {T}: Gain control of targetSet: Ravnica: City of Guilds Type: Land Island Swamp Rare Cost: ({T}: Add {U} or {B}.) As Watery Grave enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.