Cast Cloudshift by paying {W}, blinking Abdel Adrian.
Abdel Adrian leaves and enters the battlefield, causing Arcane Signet and Archaeomancer to return to the battlefield from exile, and triggering Abdel Adrian's enters-the-battlefield ability.
Archaeomancer enters the battlefield, returning Cloudshift from your graveyard to your hand.
Activate Arcane Signet by tapping it, adding {W}.
Resolve Abdel Adrian's enters-the-battlefield ability, exiling Archaeomancer and Arcane Signet and creating two 1/1 Soldier creature tokens.
Repeat.

Infinite blinking

Infinite creature tokens

Infinite ETB

Infinite LTB

Infinite magecraft triggers

Infinite storm count

Infinite blinking of nonland permanents

Abdel Adrian, Gorion's Ward

Cloudshift

Arcane Signet

Archaeomancer

Cast Essence Flux by paying {U}, blinking Abdel Adrian.
Abdel Adrian leaves and enters the battlefield, causing Arcane Signet and Archaeomancer to return to the battlefield from exile, and triggering Abdel Adrian's enters-the-battlefield ability.
Archaeomancer enters the battlefield, returning Essence Flux from your graveyard to your hand.
Activate Arcane Signet by tapping it, adding {U}.
Resolve Abdel Adrian's enters-the-battlefield ability, exiling Archaeomancer and Arcane Signet and creating two 1/1 Soldier creature tokens.
Repeat.

Essence Flux

Activate Arcane Signet by tapping it, adding {U}.
Cast Mystic Speculation with buyback by paying {U}.
Hullbreaker Horror triggers, returning Arcane Signet to your hand from the battlefield.
Resolve Mystic Speculation, causing you to scry 3 and returning Mystic Speculation to your hand.
Cast Arcane Signet by paying {0}.
Repeat.

Infinite scry

Heliod, the Radiant Dawn // Heliod, the Warped Eclipse

Hullbreaker Horror

Mystic Speculation

Activate Arcane Signet by tapping it, adding {W}.
Cast Recruit the Worthy with buyback by paying {W}.
Hullbreaker Horror triggers, returning Arcane Signet to your hand from the battlefield.
Resolve Recruit the Worthy, creating a 1/1 Soldier creature token and returning Recruit the Worthy to your hand.
Cast Arcane Signet by paying {0}.
Repeat.

Recruit the Worthy

Combos with "Arcane Signet"