Melira, Sylvok Outcast + Phyrexian Altar + Twilight Shepherd

GW identity

Commander legal

The 3 combo pieces

• Melira, Sylvok Outcast
• Phyrexian Altar
• Twilight Shepherd

How to execute it

1. Activate Phyrexian Altar by sacrificing Twilight Shepherd.
2. When Twilight Shepherd dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Melira.
3. Repeat.

What the combo produces

• Infinite colored mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers