Conjurer's Scepter

Rust 3 (At your upkeep, put a rust counter on this artifact. If there are 3 or more, sacrifice it.)
{t}: Add {g} to your mana pool and gain 1 life. Repeat this process for each rust counter on Conjurer's Scepter.
"As the roots of the trees bent around the scepter, it imbued the forest with life."