Kenrith, the Returned King, Crystalline Crawler, Kami of Whispered Hopes, and Training Grounds

Prerequisites

• Kenrith, the Returned King on the battlefield
• Crystalline Crawler on the battlefield
• Kami of Whispered Hopes on the battlefield
• Training Grounds on the battlefield
• available

Steps

1. Activate Kenrith by paying , putting two +1/+1 counters on Crystalline Crawler
2. Activate Crystalline Crawler by removing a +1/+1 counter from it, adding
3. Repeat

Results

• Infinite colored mana
• Infinite +1/+1 counters