Chain of Smog, and Deekah, Fractal Theorist

Prerequisites

• Chain of Smog in hand
• Deekah, Fractal Theorist on the battlefield
• available

Steps

1. Cast Chain of Smog by paying , targeting yourself
2. Deekah triggers, creating a 0/0 Fractal creature token with two +1/+1 counters on it
3. Resolve Chain of Smog, causing you to discard two cards and copy Chain of Smog, targeting yourself with the copy
4. Repeat from step 2

Results

• Infinite creature tokens
• Infinite ETB
• Infinite magecraft triggers