The Prydwen, Steel Flagship, Chatterfang, Squirrel General, Sword of the Meek, and Sarcatog

Prerequisites

• The Prydwen, Steel Flagship on the battlefield
• Chatterfang, Squirrel General on the battlefield
• Sword of the Meek in hand
• Sarcatog on the battlefield
• available

Steps

1. Cast Sword of the Meek by paying
2. When Sword of the Meek enters the battlefield, The Prydwen triggers
3. Holding priority, activate Sarcatog by sacrificing Sword of the Meek
4. Resolve the Prydwen trigger, creating a 2/2 Human Knight and a 1/1 Squirrel creature token
5. When the Squirrel enters the battlefield, Sword of the Meek triggers, returning Sword of the Meek from your graveyard to the battlefield attached to the Squirrel
6. Repeat from step 2

Results

• Infinite ETB
• Infinite creature tokens
• Infinitely large Sarcatog until end of turn