Watery Grave (Promo Pack) [Guilds of Ravnica Promos] Grass Creatures you control have "{T}:

Creatures you control have "{T}: Target player mills X cards

Two-Headed Dragon can block an additional creature each combat

Set: Sun & Moon: Base Set Type: Item Rarity: Promo

each other player sacrifices a creature

Set: Alliances Type: Artifact Creature — Phyrexian Construct Rarity: Rare Cost: {6} When Phyrexian Devourer's power is 7 or greater

Watery Grave (Promo Pack) [Guilds of Ravnica Promos] Grass Creatures you control have "{T}:Set: Guilds of Ravnica Promos 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.