Overlord of the Floodpits is a mythic Enchantment Creature — Avatar Horror card from Duskmourn: House of Horror (DSK), collector number 373. Current market price: $3.53 (foil $4.48), TCGplayer market prices via Scryfall.
Impending 4—{1}{U}{U} (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.) Flying Whenever this permanent enters or attacks, draw two cards, then discard a card.