Pearl-Ear, Imperial Advisor + Cloudstone Curio + Faceless One + 1 more
Infinite ETB, Infinite LTB, Infinite storm count
Cast Faceless One by paying due to Pearl-Ear.
When Faceless One enters the battlefield, Cloudstone Curio triggers, returning Ugin's Mastery from the battlefield to your hand.
Cast Ugin's Mastery by paying due to Pearl-Ear.
When Ugin's Mastery enters the battlefield, Cloudstone Curio triggers, returning Faceless One from the battlefield to your hand.
Repeat.
Component Cards
How It Works
Cast Faceless One by paying due to Pearl-Ear.
When Faceless One enters the battlefield, Cloudstone Curio triggers, returning Ugin's Mastery from the battlefield to your hand.
Cast Ugin's Mastery by paying due to Pearl-Ear.
When Ugin's Mastery enters the battlefield, Cloudstone Curio triggers, returning Faceless One from the battlefield to your hand.
Repeat.