Song of Stupefaction

Enchantment — Aura

The Lost Caverns of Ixalan (LCI) · common

Oracle Text

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.