Sparring Mummy + Splinter Twin

RW identity

Commander legal

The 2 combo pieces

• Sparring Mummy
• Splinter Twin

How to execute it

1. Activate Sparring Mummy by tapping it, creating a token copy of itself with haste.
2. When the token Sparring Mummy enters the battlefield, it triggers, untapping the nontoken Sparring Mummy.
3. Repeat.

What the combo produces

• Infinite creature tokens with haste
• Infinite ETB