Song of Stupefaction - The Lost Caverns of Ixalan - 77

Enchantment — Aura

Mana Cost: {1}{U}

Enchant creature or Vehicle
When this Aura enters, you may mill two cards. (You may put the top two cards of your library into your graveyard.)
Fathomless descent — Enchanted permanent gets -X/-0, where X is the number of permanent cards in your graveyard.

Common · The Lost Caverns of Ixalan · #77 (LCI)

Illustrated by Ernanda Souza