Lurking Roper + Prosperous Innkeeper + Splinter Twin

RG identity

Commander legal

The 3 combo pieces

What must be in place

Lurking Roper does not have summoning sickness.
Splinter Twin attached to Lurking Roper.

How to execute it

  1. Activate Lurking Roper by tapping it, creating a token copy of itself.
  2. When the Lurking Roper token enters the battlefield, Prosperous Innkeeper's second ability triggers, causing you to gain 1 life.
  3. Each Lurking Roper you control triggers, untapping themselves.
  4. Repeat.

What the combo produces