Grazing Kelpie + Melira, Sylvok Outcast + Phyrexian Altar

GU identity

Commander legal

The 3 combo pieces

• Grazing Kelpie
• Melira, Sylvok Outcast
• Phyrexian Altar

How to execute it

1. Activate Phyrexian Altar by sacrificing Grazing Kelpie.
2. When Grazing Kelpie 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