Ioreth of the Healing House, Aura of Dominion, and Selvala, Heart of the Wilds

Prerequisites

• Ioreth of the Healing House on the battlefield
• Aura of Dominion on the battlefield
• Selvala, Heart of the Wilds on the battlefield
• available

Steps

1. Activate Selvala by paying and tapping it, adding at least
2. Activate Ioreth's second ability by tapping it, untapping Selvala and another legendary creature
3. Activate Aura of Dominion by paying and tapping the other legendary creature, untapping Ioreth
4. Repeat

Results

• Infinite mana legendary creatures you control can produce
• Infinite untap of legendary creatures you control
• Infinite colored mana