Cast Leashling by paying {0}.
Leashling enters the battlefield, triggering Guardian Project, causing you to draw a card.
Activate Leashling by putting a card from your hand on top of your library, returning Leashling to your hand from the battlefield.
Repeat.

Infinite draw triggers

Infinite ETB

Infinite LTB

Infinite storm count

Leashling

Mycosynth Golem

Guardian Project

Cast Shield Sphere by paying {0}.
Tangleroot triggers, adding {G}.
When Shield Sphere enters the battlefield, Guardian Project triggers.
Holding priority, activate Words of Wind by paying {1}, replacing the next card you draw.
Resolve the Guardian Project trigger, causing you to return Shield Sphere from the battlefield to your hand, and causing each opponent to return a permanent they control from the battlefield to your hand.
Repeat.

Return all permanents opponents control to their owner's hand

Tangleroot

Words of Wind

Shield Sphere

Combos with "Guardian Project"