Kirol, Attentive First-Year, Restoration Angel, and Sunstrike Legionnaire

Prerequisites

• Kirol, Attentive First-Year on the battlefield
• Restoration Angel in hand
• Sunstrike Legionnaire on the battlefield
• available

Steps

1. Cast Restoration Angel by paying its mana cost
2. When Restoration Angel enters, it and Sunstrike Legionnaire trigger
3. Resolve the Sunstrike Legionnaire trigger, untapping it
4. Holding priority, activate Kirol by tapping it and Sunstrike Legionnaire
5. copying Restoration Angel's trigger, targeting Kirol
6. Resolve the copy of Restoration Angel's trigger, blinking Kirol
7. When Kirol enters, Sunstrike Legionnaire triggers, untapping Sunstrike Legionnaire
8. Repeat from step 4

Results

• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control