Infernius Spawnington III, Esq. is a rare Creature — Demon Beast Grandchild card from Unsanctioned (UND), collector number 40. Current market price: $0.18, TCGplayer market prices via Scryfall.
Flying, first strike, trample, haste This spell costs {3} less to cast for each card you've revealed this turn. When this creature enters, you may say "I'm here." If you do, it deals 3 damage to target player.