Overlord of the Boilerbilges (Japan Showcase) [Duskmourn: House of Horror] MTG then puts all cards they

then puts all cards they exiled this way onto the battlefield

You might as well try to stop the waterfall

creatures you control have swampwalk

Set: Duskmourn: House of Horror Type: Enchantment Creature — Elk Glimmer Rarity: Mythic Cost: {1}{G}{G} Vigilance

Overlord of the Boilerbilges (Japan Showcase) [Duskmourn: House of Horror] MTG then puts all cards theySet: 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.