Halo Fountain, Heronblade Elite, and North Pole Patrol

Prerequisites

• Halo Fountain on the battlefield
• Heronblade Elite on the battlefield
• North Pole Patrol on the battlefield

Steps

1. Activate Heronblade Elite by tapping it, adding at least Activate North Pole Patrol by tapping it, targeting Halo Fountain
2. Holding priority, activate Halo Fountain by paying , tapping it, and untapping North Pole Patrol and Heronblade Elite, causing you to draw a card
3. Resolve the North Pole Patrol ability, untapping Halo Fountain
4. Repeat

Results

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