Crystalline Crawler + Saving Grace + Vigor + Thrashing Wumpus

Crystalline Crawler

Saving Grace

Vigor

Thrashing Wumpus

How it works

1. Cast Saving Grace by paying 1.
2. Saving Grace enters the battlefield attached to Crystalline Crawler, triggering itself, causing all damage that would be dealt to you or permanents you control this turn to be dealt to Crystalline Crawler instead.
3. Activate Thrashing Wumpus by paying , dealing 1 damage to each creature and each player.
4. Saving Grace's ability redirects damage to Crystalline Crawler, which results in at least four +1/+1 counters being placed on it instead due to Vigor.
5. Activate Crystalline Crawler's first activated ability at least once by removing at least one +1/+1 counter from it, adding at least .
6. Repeat from step 3.