Chain of Acid, and Leonin Lightscribe

Prerequisites

• Chain of Acid in hand
• Leonin Lightscribe on the battlefield
• undefined available

Steps

1. Cast Chain of Acid by paying , targeting an indestructible noncreature permanent you control
2. Leonin Lightscribe triggers, giving creatures you control +1/+1 until end of turn
3. Resolve Chain of Acid, destroying nothing and causing you to copy Chain of Acid, targeting an indestructible noncreature permanent you control
4. Repeat from step 2

Results

• Infinitely large creatures you control until end of turn
• Infinite magecraft triggers