Clay Champion, Crystalline Crawler, Resourceful Defense, and Drafna, Founder of Lat-Nam

Prerequisites

• Clay Champion in hand
• Crystalline Crawler on the battlefield
• Resourceful Defense on the battlefield
• Drafna, Founder of Lat-Nam on the battlefield
• plus six available

Steps

1. Cast Clay Champion by paying six
2. Clay Champion enters the battlefield with nine +1/+1 counters on it
3. Clay Champion entering the battlefield triggering its last ability, to no effect
4. Activate Drafna's first ability by paying , returning Clay Champion from the battlefield to your hand
5. Clay Champion leaves the battlefield, triggering Resourceful Defense, putting all counters that were on Clay Champion on Crystalline Crawler
6. Activate Crystalline Crawler's first ability eight times by removing eight +1/+1 counters from it, adding and seven
7. Repeat

Results

• Infinite +1/+1 counters on permanents you control
• Infinite colored mana
• Infinite ETB
• Infinite LTB
• Infinite storm count