Ashaya, Soul of the Wild, Arbor Elf, and Illusionist's Bracers

Prerequisites

• Ashaya, Soul of the Wild on the battlefield
• Arbor Elf on the battlefield
• Illusionist's Bracers on the battlefield
• Illusionist's Bracers attached to Arbor Elf
• Arbor Elf does not have summoning sickness

Steps

1. Activate Arbor Elf, tapping it to untap itself
2. Illusionist's Bracer's triggers, copying the Arbor Elf trigger
3. Resolve the first Arbor Elf trigger, untapping itself
4. Activate Arbor Elf, tapping it to add
5. Resolve the second Arbor Elf trigger, untapping itself
6. Repeat

Results

• Infinite creature untaps for nontoken creatures
• Infinite green mana