Activate Grafted Wargear's equip ability by paying {0}, targeting the affinity creature.
Monk Gyatso triggers, airbending the targeted creature.
The Grafted Wargear ability fizzles due to no longer having a legal target.
Cast the creature from exile by paying {0} due to its affinity ability.
Repeat.

Infinite LTB

Infinite ETB

Infinite storm count

Creature with Affinity

Monk Gyatso

Grafted Wargear

Activate Grafted Wargear's equip ability by paying {0}, targeting another nontoken creature you control.
Monk Gyatso triggers, airbending the targeted creature.
The Grafted Wargear ability fizzles due to no longer having a legal target.
Cast the creature from exile by paying {0} due to Semblance Anvil.
Repeat.

Semblance Anvil

Activate Grafted Wargear's equip ability by paying {0}, targeting the colorless creature.
Monk Gyatso triggers, airbending the creature.
Grafted Wargear's ability fizzles due to no longer having a legal target.
Cast the creature from exile by paying {0} due to Ugin.
Repeat.

Ugin, the Ineffable

Activate Grafted Wargear's equip ability by paying {0}, targeting the Eldrazi.
Monk Gyatso triggers, airbending the Eldrazi.
Grafted Wargear's ability fizzles due to no longer having a legal target.
Cast the Eldrazi from exile by paying {0} due to Eye of Ugin.
Repeat.

Eldrazi Creature Card

Eye of Ugin

Activate Grafted Wargear by paying {0}, targeting another nontoken creature you control.
Monk Gyatso triggers, airbending the creature.
Cast the creature from exile by paying {2}.
When the creature enters, Genesis Chamber triggers, creating a 1/1 Myr artifact creature token.
Activate Ashnod's Altar by sacrificing the Myr, adding {C}{C}.
Repeat.

Infinite death triggers

Genesis Chamber

Ashnod's Altar

Activate Grafted Wargear's equip ability by paying {0}, targeting Priest of Gix.
Monk Gyatso triggers, airbending Priest of Gix.
The Grafted Wargear ability fizzles due to no longer having a legal target.
Cast Priest of Gix from exile by paying {2}.
When Priest of Gix enters, it triggers, adding {B}{B}{B}.
Repeat.

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