Creature — Treefolk 2/*, 2G (3)
Uncommon
Treefolk Seedlings's toughness is equal to the number of Forests you control.
The year that the brothers landed on Argoth, the trees produced five times as many seeds as normal.
Illus. John Matson

10/4/2004: The toughness is continuously calculated.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander