Song of Freyalise, Pemmin's Aura, and Leyline of Abundance

Prerequisites

• Song of Freyalise on the battlefield
• Pemmin's Aura on the battlefield
• Leyline of Abundance on the battlefield
• Pemmin's Aura attached to a creature that does not have summoning sickness
• Song of Freyalise has exactly one or two lore counters on it

Steps

1. Activate the creature with Pemmin's Aura attached by tapping it, adding
2. Leyline of Abundance triggers, adding
3. Activate Pemmin's Aura's first ability by paying , untapping the creature
4. Repeat
5. Once you have infinite mana, you may use it to activate Leyline of Abundance's ability

Results

• Infinite +1/+1 counters
• Infinite green mana