Marvin, Murderous Mimic + Splinter Twin

R identity

Commander legal

The 2 combo pieces

What must be in place

Marvin does not have summoning sickness.
Splinter Twin attached to a creature you control not named Marvin, Murderous Mimic.

How to execute it

  1. Activate Marvin using the creature with Splinter Twin attached's ability by tapping Marvin, causing you to create a token copy of Marvin with haste.
  2. Put the tapped Marvin into your graveyard due to the legend rule.
  3. Repeat.

What the combo produces