Cast Spark Double by paying {3}{U}, choosing to have it enter the battlefield as a nonlegendary copy of Abdel Adrian.
When Spark Double enters the battlefield, it triggers, exiling Abdel Adrian until Spark Double leaves the battlefield and creating a 1/1 Soldier creature token.
When Abdel Adrian leaves the battlefield, Icy Prison returns from exile to the battlefield.
When Icy Prison enters the battlefield, its first ability triggers, exiling Spark Double.
When Spark Double leaves the battlefield, Abdel Adrian returns from exile to the battlefield.
When Abdel Adrian enters the battlefield, it triggers, exiling Icy Prison until Abdel Adrian leaves the battlefield and creating a 1/1 Soldier creature token.
When Icy Prison leaves the battlefield, its third ability triggers, returning Spark Double to the battlefield from exile as a nonlegendary copy of Abdel Adrian.
Repeat from step 2.

Infinite blinking

Infinite creature tokens

Infinite ETB

Infinite LTB

Abdel Adrian, Gorion's Ward

Spark Double

Icy Prison

Cast Sakashima of a Thousand Faces either from your hand or from the command zone by paying {3}{U} plus commander tax, if applicable, choosing to have it enter the battlefield as a copy of Abdel Adrian.
When Sakashima of a Thousand Faces enters the battlefield, it triggers, exiling Abdel Adrian until Sakashima of a Thousand Faces leaves the battlefield and creating a 1/1 Soldier creature token.
When Abdel Adrian leaves the battlefield, Icy Prison returns from exile to the battlefield.
When Icy Prison enters the battlefield, its first ability triggers, exiling Sakashima of a Thousand Faces.
When Sakashima of a Thousand Faces leaves the battlefield, Abdel Adrian returns from exile to the battlefield.
When Abdel Adrian enters the battlefield, it triggers, exiling Icy Prison until Abdel Adrian leaves the battlefield and creating a 1/1 Soldier creature token.
When Icy Prison leaves the battlefield, its third ability triggers, returning Sakashima of a Thousand Faces to the battlefield from exile as a copy of Abdel Adrian.
Repeat from step 2.

Combos with "Icy Prison"