The Prydwen, Steel Flagship, Quina, Qu Gourmet, Sword of the Meek, and Krark-Clan Grunt

Prerequisites

• The Prydwen, Steel Flagship on the battlefield
• Quina, Qu Gourmet on the battlefield
• Sword of the Meek in hand
• Krark-Clan Grunt 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 Krark-Clan Grunt by sacrificing Sword of the Meek
4. Resolve the Prydwen trigger, creating a 2/2 Human Knight and a 1/1 Frog creature token
5. When the Frog enters the battlefield, Sword of the Meek triggers, returning Sword of the Meek from your graveyard to the battlefield attached to the Frog
6. Repeat from step 2

Results

• Infinite ETB
• Infinite creature tokens
• Infinitely powerful Krark-Clan Grunt until end of turn