Goldspan Dragon, Seething Anger, and Memory Crystal

Prerequisites

• Goldspan Dragon on the battlefield
• Seething Anger in hand
• Memory Crystal on the battlefield
• available

Steps

1. Cast Seething Anger with buyback by paying , targeting Goldspan Dragon
2. Goldspan Dragon triggers, creating a Treasure token
3. Resolve Seething Anger, giving Goldspan Dragon +3/+0 until end of turn and returning Seething Anger to your hand
4. Activate the Treasure token by tapping and sacrificing it, adding
5. Repeat

Results

• Infinitely powerful Goldspan Dragon until end of turn
• Infinite magecraft triggers
• Infinite storm count