Astral Dragon, Bramble Sovereign, and Primal Vigor

Prerequisites

• Astral Dragon in hand
• Bramble Sovereign on the battlefield
• Primal Vigor on the battlefield
• available

Steps

1. Cast Astral Dragon by paying
2. When Astral Dragon enters the battlefield, it and Bramble Sovereign trigger
3. Resolve the Astral Dragon trigger, creating four token copies of Primal Vigor that are 3/3 Dragon creatures in addition to their other types
4. Resolve the Bramble Sovereign trigger, causing you to pay to create a total of 32 Astral Dragon tokens with haste
5. When the Astral Dragon tokens enter the battlefield, they trigger, creating an extremely large number of Primal Vigor tokens that are 3/3 Dragon creatures in addition to their other types

Results

• Near-infinite creature tokens
• Near-infinite ETB