Enchantment When Natural Emergence enters the battlefield, return a red or green enchantment you control to its owner's hand. Lands you control are 2/2 creatures with first strike. They're still lands.1
10/4/2004: You choose the enchantment to return on resolution of the triggered ability. This is not targeted.
10/1/2009: 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.