Captain Sisay | Mind Over Matter | Progenitus

Cards

Progenitus in your library.
Captain Sisay and
Mind Over Matter on the battlefield (
Captain Sisay without summoning sickness).

Activate
Captain Sisay by tapping it, searching your library for
Progenitus and putting it into your hand.
Activate
Mind Over Matter by discarding
Progenitus.
Progenitus triggers, shuffling your graveyard into your library.
Resolve the
Mind Over Matter ability, untapping
Captain Sisay.
Repeat.