Boonweaver Giant, Phantom Train, and Shade's Form

Prerequisites

• Boonweaver Giant on the battlefield
• Phantom Train on the battlefield
• Shade's Form on the battlefield

Steps

1. Activate Phantom Train by sacrificing Boonweaver Giant When Boonweaver Giant dies, Shade's Form triggers, returning Boonweaver Giant from your graveyard to the battlefield When Boonweaver Giant enters, it triggers, returning Shade's Form from your graveyard to the battlefield attached to Boonweaver Giant
2. Resolve the Phantom Train ability from step 1
3. Repeat

Results

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers