Soul of Windgrace, Surly Badgersaur, Dakmor Salvage, and Doubling Season

Prerequisites

• Soul of Windgrace on the battlefield
• Surly Badgersaur on the battlefield
• Dakmor Salvage in hand
• Doubling Season on the battlefield
• available

Steps

1. Activate Soul of Windgrace's second ability by paying and discarding Dakmor Salvage
2. Surly Badgersaur's second ability triggers, creating two Treasure tokens
3. Resolve the Soul of Windgrace ability, causing you to mill two cards and return Dakmor Salvage from your graveyard to your hand
4. Activate the two Treasure tokens by tapping and sacrificing them, adding
5. Repeat

Results

• Infinite self-discard triggers
• Infinite self-mill