Heartmender + Melira, Sylvok Outcast + Phyrexian Altar

GW identity

Commander legal

The 3 combo pieces

• Heartmender
• Melira, Sylvok Outcast
• Phyrexian Altar

How to execute it

1. Activate Phyrexian Altar by sacrificing Heartmender.
2. When Heartmender 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