Watery Grave [Guilds of Ravnica] Colorless[-30] this effect only happens once

this effect only happens once

Set: EX: Power Keepers Type: Energy Rarity: Holo Rare

Destroy the equipped monster and this card during the Standby Phase of your opponent's next turn

During your next Standby Phase

Set: Black & White: Base Set Type: Water Rarity: Promo Retreat cost: Colorless

Watery Grave [Guilds of Ravnica] Colorless[-30] this effect only happens onceSet: Guilds of Ravnica Type: Land Island Swamp Rarity: Rare ({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. Few believe Duskmantle exists. Fewer find it. None live to bear witness.