Trusty Boomerang, Mana Echoes, Wartime Protestors, and Sokka and Suki

Prerequisites

• Trusty Boomerang in hand
• Mana Echoes on the battlefield
• Wartime Protestors on the battlefield
• Sokka and Suki on the battlefield
• available

Steps

1. Cast Trusty Boomerang by paying
2. When Trusty Boomerang enters, Sokka and Suki's second ability triggers, creating a 1/1 Ally creature token
3. When the Ally enters, Sokka's first ability, Wartime Protestors and Mana Echoes trigger
4. Resolve the Mana Echoes trigger, adding for each Ally you control
5. Resolve the Sokka trigger, attaching Trusty Boomerang to the Ally token
6. Resolve the Wartime Protestors trigger, putting a +1/+1 counter on the Ally token and giving it haste until end of turn
7. Activate the Ally by paying and tapping it, tapping a creature and returning Trusty Boomerang from the battlefield to your hand
8. Repeat

Results

• Infinite ETB
• Infinite colorless mana
• Infinite storm count
• Infinite tapped creature tokens