Pemmin's Aura, Ley Druid, and Teferi's Isle

Prerequisites

• Pemmin's Aura on the battlefield
• Ley Druid on the battlefield
• Teferi's Isle on the battlefield
• Ley Druid does not have summoning sickness
• Pemmin's Aura attached to Ley Druid

Steps

1. Activate Teferi's Isle by tapping it, adding
2. Activate Ley Druid by tapping it, untapping Teferi's Isle
3. Activate Pemmin's Aura's first ability by paying , untapping Ley Druid
4. Repeat any number of times

Results

• Infinite blue mana