Halo Fountain, Clever Conjurer, and Selvala, Eager Trailblazer

Prerequisites

• Halo Fountain on the battlefield
• Clever Conjurer on the battlefield
• Selvala, Eager Trailblazer on the battlefield

Steps

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

Results

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