Yawgmoth, Thran Physician, Crystalline Crawler, Mindless Automaton, and Corpsejack Menace

Prerequisites

• Yawgmoth, Thran Physician on the battlefield
• Crystalline Crawler on the battlefield
• Mindless Automaton on the battlefield
• Corpsejack Menace on the battlefield
• available

Steps

1. Activate Yawgmoth's second ability by paying and discarding a card, causing you to put two +1/+1 counters on Crystalline Crawler and Mindless Automaton
2. Activate Crystalline Crawler's first ability twice by removing two +1/+1 counters from it, adding
3. Activate Mindless Automaton's second ability by removing two +1/+1 counters from it, causing you to draw a card
4. Repeat

Results

• Infinite draw triggers
• Infinite looting
• Infinite self-discard triggers
• Near-infinite proliferate