Prerequisites
- Crackdown Construct on the battlefield
- Urza's Avenger on the battlefield
Steps
- Activate Urza's Avenger's ability
- Hold priority and repeat this an arbitrarily large number of times
- Resolve the Crackdown Construct triggers, making Crackdown Construct arbitrarily large
Results
Required Cards 2
Crackdown Construct
Artifact Creature — Construct
Urza's Avenger
Artifact Creature — Shapeshifter