Chain of Smog, and Veyran, Voice of Duality

Prerequisites

• Chain of Smog in hand
• Veyran, Voice of Duality on the battlefield
• available

Steps

1. Cast Chain of Smog by paying , targeting yourself
2. Veyran triggers twice, giving itself +2/+2 until end of turn
3. Resolve Chain of Smog, causing you to discard two cards and copy Chain of Smog, targeting yourself
4. Repeat from step 2

Results

• Infinitely large Veyran until end of turn
• Infinite magecraft triggers