Kentaro, the Smiling Cat, Shrieking Drake, Urza's Incubator, and Maskwood Nexus

Prerequisites

• Kentaro, the Smiling Cat on the battlefield
• Shrieking Drake in hand
• Urza's Incubator on the battlefield
• Maskwood Nexus on the battlefield
• "Samurai" chosen with Urza's Incubator

Steps

1. Cast Shrieking Drake by paying
2. When Shrieking Drake enters the battlefield, it triggers, returning itself from the battlefield to your hand
3. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count