Phantom Train + Stalwart Successor + Twilight Shepherd

WBG identity

Commander legal

The 3 combo pieces

• Phantom Train
• Stalwart Successor
• Twilight Shepherd

How to execute it

1. Activate Phantom Train by sacrificing Twilight Shepherd
2. When Twilight Shepherd dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. When Twilight Shepherd enters, Stalwart Successor triggers, putting a +1/+1 counter on Twilight Shepherd
4. Resolve the Phantom Train ability.
5. Repeat.

What the combo produces

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