Ertai's Familiar

   Creature — Illusion

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)
When Ertai's Familiar phases out or leaves the battlefield, mill three cards.
; Until your next upkeep, Ertai's Familiar can't phase out.

2/2

Illustrated by Kipling West