Krark-Clan Ironworks + Stalwart Successor + Wingrattle Scarecrow

BG identity

Commander legal

The 3 combo pieces

• Krark-Clan Ironworks
• Stalwart Successor
• Wingrattle Scarecrow

How to execute it

1. Activate Krark-Clan Ironworks by sacrificing Wingrattle Scarecrow
2. When Wingrattle Scarecrow dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
3. When Wingrattle Scarecrow enters, Stalwart Successor triggers, putting a +1/+1 counter on Wingrattle Scarecrow
4. Repeat.

What the combo produces

• Infinite colorless mana
• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers