Cathars' Crusade + Cinderhaze Wretch + Splinter Twin

RWB identity

Commander legal

The 3 combo pieces

• Cathars' Crusade
• Cinderhaze Wretch
• Splinter Twin

What must be in place

Splinter Twin attached to Cinderhaze Wretch.
Cinderhaze Wretch does not have summoning sickness.

How to execute it

1. Activate Cinderhaze Wretch by tapping it, creating a token copy of it with haste.
2. When the Cinderhaze Wretch token enters the battlefield, Cathars' Crusade triggers, putting a +1/+1 counter on each creature you control.
3. Activate the nontoken Cinderhaze Wretch's second ability by putting a -1/-1 counter on it, untapping it.
4. Repeat.

What the combo produces

• Infinite +1/+1 counters on most creatures you control
• Infinite creature tokens with haste
• Infinite ETB