Monk Gyatso + Lightning Greaves + Semblance Anvil

Monk Gyatso

Lightning Greaves

Semblance Anvil

How it works

1. Activate Lightning Greaves's equip ability by paying 0, targeting another nontoken creature you control.
2. Monk Gyatso triggers, airbending the targeted creature.
3. The Lightning Greaves ability fizzles due to no longer having a legal target.
4. Cast the creature from exile by paying 0 due to Semblance Anvil.
5. Repeat.

This clever loop relies on Monk Gyatso turning Lightning Greaves's normally protective shroud ability into a powerful trigger for exile-and-return madness. By continually targeting one of your creatures with the {0}-cost equip ability of Lightning Greaves, you trigger Monk Gyatso's airbend ability to whisk that creature away into exile. Because Semblance Anvil has previously reduced the casting cost of that creature type by {2}, you can immediately recast the exiled creature for free, ready to be targeted all over again for infinite enters-the-battlefield and leaves-the-battlefield triggers.