Elvish Aberration + Leyline of Abundance + Umbral Mantle

G identity

Commander legal

The 3 combo pieces

• Elvish Aberration
• Leyline of Abundance
• Umbral Mantle

What must be in place

Umbral Mantle attached to Elvish Aberration.
Elvish Aberration does not have summoning sickness.

How to execute it

1. Activate Elvish Aberration by tapping it, adding {G}{G}{G}{G}.
2. Activate Umbral Mantle by paying {3}, untapping Elvish Aberration.
3. Repeat.

What the combo produces

• Infinite +1/+1 counters on creatures you control
• Infinite green mana
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control
• Infinitely large creature until end of turn