When Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.
The oil created the mycosynth. The mycosynth created New Phyrexia.
Near Mint - $0.20
Lightly Played - $0.20
Moderately Played - $0.20
Heavily Played - $0.10
Damaged - $0.10
Near Mint Spanish - $0.20
Lightly Played Spanish - $0.20
Moderately Played Spanish - $0.20
Heavily Played Spanish - $0.10
Damaged Spanish - $0.10