Urza, Prince of Kroog, Thran Dynamo, Mondrak, Glory Dominus, and Akroma's Memorial

Prerequisites

• Urza, Prince of Kroog on the battlefield
• Thran Dynamo on the battlefield
• Mondrak, Glory Dominus on the battlefield
• Akroma's Memorial on the battlefield
• available

Steps

1. Activate Thran Dynamo by tapping it, adding
2. Activate Urza by paying , creating two token copies of Thran Dynamo that are 1/1 Soldiers in addition to their other types
3. Activate both Thran Dynamo tokens' abilities by tapping them, adding six
4. Repeat from step 2

Results

• Infinite ETB
• Infinite tapped creature tokens