Pot of Riches (LEDD-ENC20) - Legendary Dragon Decks (2020 Date Reprint) Unlimited

Shuffle 3 Pendulum Monsters into the Deck, from your GY and/or face-up in your Extra Deck, then draw 2 cards. You can only activate 1 "Pot of Riches" per turn. You cannot Special Summon the turn you activate this card, except by Pendulum Summon.