Eternal Witness + Marwyn, the Nurturer + Temur Sabertooth + Vitalize

G identity

Commander legal

The 4 combo pieces

• Eternal Witness
• Marwyn, the Nurturer
• Temur Sabertooth
• Vitalize

What must be in place

Marwyn does not have summoning sickness.
Marwyn has a power of at least seven.

How to execute it

1. Activate Marwyn by tapping it, adding at least seven {G}.
2. Cast Vitalize by paying {G}, untapping all creatures you control.
3. Activate Temur Sabertooth by paying {1}{G}, returning Eternal Witness from the battlefield to your hand.
4. Cast Eternal Witness by paying {1}{G}{G}.
5. Eternal Witness enters the battlefield, returning Vitalize from your graveyard to your hand.
6. Repeat.

What the combo produces

• Infinite blinking of some creatures
• Infinite creature LTB
• Infinite ETB
• Infinite green mana
• Infinite magecraft triggers
• Infinite mana creatures you control can produce
• Infinite storm count
• Infinite untap of creatures you control