Melira, Sylvok Outcast + Persistent Constrictor + Phantom Train

BG identity

Commander legal

The 3 combo pieces

• Melira, Sylvok Outcast
• Persistent Constrictor
• Phantom Train

How to execute it

1. Activate Phantom Train by sacrificing Persistent Constrictor.
2. When Persistent Constrictor dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Melira.
3. Resolve the Phantom Train ability
4. Repeat.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers