Jan Jansen, Chaos Crafter, Dross Scorpion, Mondrak, Glory Dominus, and Encroaching Mycosynth

Prerequisites

• Jan Jansen, Chaos Crafter on the battlefield
• Dross Scorpion on the battlefield
• Mondrak, Glory Dominus on the battlefield
• Encroaching Mycosynth on the battlefield
• You control an additional creature

Steps

1. Activate Jan Jansen's first ability by tapping it and sacrificing another artifact creature
2. When the creature dies, Dross Scorpion triggers, untapping Jan Jansen
3. Resolve the Jan Jansen ability, creating four Treasure tokens
4. Activate Jan Jansen's second ability by tapping it and sacrificing a Treasure token, creating four 1/1 Construct artifact creature tokens
5. Activate three Treasures by tapping and sacrificing them, adding
6. Activate Mondrak by paying and sacrificing two Constructs
7. When the Constructs die, Dross Scorpion triggers twice
8. Resolve the first trigger, untapping Jan Jansen
9. Repeat steps 1 through 4 one additional time
10. Resolve the second Dross Scorpion trigger from step 7, untapping Jan Jansen
11. Resolve the Mondrak ability from step 6, putting an indestructible counter on it
12. Repeat

Results

• Infinite colored mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite Treasure tokens