Case of the Shifting Visage

Enchantment — Case

Murders at Karlov Manor Commander (MKC) · rare

Oracle Text

At the beginning of your upkeep, surveil 1.
To solve — There are fifteen or more cards in your graveyard. (If unsolved, solve at the beginning of your end step.)
Solved — Whenever you cast a nonlegendary creature spell, copy that spell. (The copy becomes a token.)