Halo Fountain, Incubation Druid, and Tidewater Minion

Prerequisites

• Halo Fountain on the battlefield
• Incubation Druid on the battlefield
• Tidewater Minion on the battlefield

Steps

1. Activate Incubation Druid by tapping it, adding Activate Tidewater Minion by tapping it, targeting Halo Fountain
2. Holding priority, activate Halo Fountain by paying , tapping it, and untapping Tidewater Minion and Incubation Druid, causing you to draw a card
3. Resolve the Tidewater Minion ability, untapping Halo Fountain
4. Repeat

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite creature ETB
• Near-infinite creature tokens