Accomplished Automaton + Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Phantom Train

WB identity

Commander legal

The 3 combo pieces

• Accomplished Automaton
• Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight
• Phantom Train

How to execute it

1. Activate Phantom Train by sacrificing Accomplished Automaton.
2. When Accomplished Automaton dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. When Accomplished Automaton enters, its fabricate ability triggers, putting a +1/+1 counter on it.
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