Clay Champion, Crystalline Crawler, Resourceful Defense, and Temur Sabertooth

Prerequisites

• Clay Champion in hand
• Crystalline Crawler on the battlefield
• Resourceful Defense on the battlefield
• Temur Sabertooth on the battlefield
• plus seven 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 Temur Sabertooth by paying , returning Clay Champion from the battlefield to your hand and giving Temur Sabertooth indestructible until end of turn
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 eight
7. Repeat

Results

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