On his own, hes a value engine that turns spells into +1/+1 counters and mana
With absolutely awesome arboreal artwork from Larry MacDougall (a criminally underrated MTG artist whose work only graces the Lorwyn-Shadowmoor block of four sets and one card in Commander Masters ), this card remains a potent one-drop in the early game or the late game
Your biggest rival will be Cogsworth, Grandfather Clock from Rise of the Floodborn, as his ability to give all other opposing characters +1 Resist will completely turn off your Sheriff as his reduced damage wont get through the Resist and Cogsworths Ward ability means you cant target him either
Just lay it down as soon as possible and then wait for it to grow
Keiga, the Tide Star was a powerhouse in Standard, and Ryusei, the Falling Star, Yosei, the Morning Star and even Jugan, the Rising Star were good
A Lost Legends card (from the 1994 set, Legends) replaces a Common in 3% of boosters.