Overlord of the Boilerbilges (Japan Showcase) (Japanese) [Duskmourn: House of Horror] Magic Player Rewards 2006 Set: Theros Beyond Death Type:

Set: Theros Beyond Death Type: Legendary Enchantment Creature — God Rarity: Mythic Cost: {2}{W} Indestructible

except it's a 4/4 black Zombie Snake Druid with no mana cost

return target creature card with mana value 3 or less from your graveyard to the battlefield

Set: Arena League 2003 Type: Basic Land — Island Rarity: Rare ({T}: Add {U}

Shatterskull Pass is a pretty distant second

Overlord of the Boilerbilges (Japan Showcase) (Japanese) [Duskmourn: House of Horror] Magic Player Rewards 2006 Set: Theros Beyond Death Type:Set: Duskmourn: House of Horror Type: Enchantment Creature Avatar Horror Rarity: Mythic Cost: {4}{R}{R} Impending 4{2}{R}{R} (If you cast this spell for its impending cost, it enters with four time counters and isn't a creature until the last is removed. At the beginning of your end step, remove a time counter from it.) Whenever "Overlord of the Boilerbilges" enters or attacks, it deals 4 damage to any target.