Gwenna, Eyes of Gaea + Leyline of Abundance + Umbral Mantle

G identity

Commander legal

The 3 combo pieces

• Gwenna, Eyes of Gaea
• Leyline of Abundance
• Umbral Mantle

What must be in place

Umbral Mantle attached to Gwenna.
Gwenna does not have summoning sickness.

How to execute it

1. Activate Gwenna by tapping it, adding {2} that can only be spent to cast creature spells or activate abilities of creatures.
2. Leyline of Abundance triggers, adding {G}.
3. Activate Gwenna by paying {3} and untapping it, giving itself +2/+2 until end of turn.
4. Repeat.

What the combo produces

• Infinitely large creature until end of turn