Natural Affinity

Instant, 2G (3)
All lands become 2/2 creatures until end of turn. They're still lands.¹
As long as the dryads are a part of the forest, the forest is a part of the army.
Illus. Pete Venters

Gatherer Card Rulings [Nov 2009]

• 8/1/2008: A noncreature permanent that turns into a creature is subject to the "summoning sickness" rule: It can only attack, and its {T} abilities can only be activated, if its controller has continuously controlled that permanent since the beginning of his or her most recent turn.

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (3/23)	Ninth Edition (Rare) Eighth Edition (Rare) Mercadian Masques (Rare)