Pot of Extravagance (SDCK-EN031) - Structure Deck: The Crimson King 1st Edition

At the start of your Main Phase 1: Banish 3 or 6 random face-down cards from your Extra Deck, face-down; draw 1 card for every 3 cards banished. For the rest of this turn after this card resolves, you cannot draw any cards by card effects.