Pemmin's Aura, Ley Druid, and Tolarian Academy

Prerequisites

• Pemmin's Aura on the battlefield
• Ley Druid on the battlefield
• Tolarian Academy on the battlefield
• Ley Druid does not have summoning sickness
• Pemmin's Aura attached to Ley Druid
• You control at least two artifacts

Steps

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

Results

• Infinite blue mana