Improvised Arsenal, Crime Novelist, Krark-Clan Ironworks, and Elspeth, Storm Slayer

Prerequisites

• Improvised Arsenal on the battlefield
• Crime Novelist on the battlefield
• Krark-Clan Ironworks on the battlefield
• Elspeth, Storm Slayer on the battlefield
• available

Steps

1. Activate Improvised Arsenal by paying , creating two token copies of it due to Elspeth, Storm Slayer
2. Activate Krark-Clan Ironworks twice by sacrificing the Improvised Arsenal tokens, adding
3. Crime Novelist triggers twice, putting two +1/+1 counters on it and adding
4. Repeat

Results

• Infinite colorless mana
• Infinite red mana
• Infinite +1/+1 counters on a creature