Kragma Butcher, Pemmin's Aura, and Song of Freyalise

Prerequisites

• Kragma Butcher on the battlefield
• Pemmin's Aura on the battlefield
• Song of Freyalise on the battlefield

Steps

1. Activate Kragma Butcher by tapping it, adding
2. Activate Pemmin's Aura by paying , untapping Kragma Butcher
3. Kragma Butcher triggers, giving it +2/+0 until end of turn
4. Repeat

Results

• Infinitely powerful creature until end of turn