Bedlam Reveler is a rare Creature — Devil Horror card from Double Masters 2022 (2X2), collector number 450.
This spell costs {1} less to cast for each instant and sorcery card in your graveyard. Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When this creature enters, discard your hand, then draw three cards.