Sphere of Arborial Storage

{t}: Untap target basic land you control.
Reclamation Squad {2}{g} - As long as you control
five or more creatures, you may pay {2}{g} and
exile Sphere of Arborial Storage, then cast it transformed. Activate only as a sorcery.
A strange structure that started collapsing after the
Avatar of Cycles ended the last apocalypse cycle...