Sunstrike Legionnaire, and Presence of Gond

Prerequisites

• Sunstrike Legionnaire on the battlefield
• Presence of Gond on the battlefield
• Presence of Gond attached to Sunstrike Legionnaire
• Sunstrike Legionnaire does not have summoning sickness

Steps

1. Activate Sunstrike Legionnaire by tapping it, creating a 1/1 Elf Warrior creature token
2. When the Elf Warrior enters the battlefield, Sunstrike Legionnaire triggers, untapping it
3. Repeat

Results

• Infinite creature tokens
• Infinite ETB