Whenever you cast a spell with X in its mana cost, look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.
Geometer's Arthropod (SOS-191) - Secrets of Strixhaven Foil
Whenever you cast a spell with X in its mana cost, look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in a random order.
