Driver of the Dead | Phantasmal Image | Yahenni, Undying Partisan

Cards

Driver of the Dead in any zone.
Phantasmal Image and
Yahenni on the battlefield (
Phantasmal Image as a copy of
Driver of the Dead).

Activate
Yahenni, Undying Partisan by sacrificing
Phantasmal Image.
When
Phantasmal Image dies, it triggers, returning itself from your graveyard to the battlefield as a copy of
Driver of the Dead.
Resolve the
Yahenni, Undying Partisan ability from step 1.
Repeat.