Archmage Emeritus + Chain of Acid

Mana needed: {3}{G}

GU identity

Commander legal

The 2 combo pieces

What must be in place

You control an indestructible noncreature permanent.

How to execute it

  1. Cast Chain of Acid by paying {3}{G}, targeting any indestructible noncreature permanent you control.
  2. Archmage Emeritus triggers, causing you to draw a card.
  3. Resolve Chain of Acid, failing to destroy the indestructible permanent and choosing to copy Chain of Acid, targeting the indestructible permanent with the copy.
  4. Repeat from step 2.

What the combo produces