Chimeric Egg

Artifact, 3 (3)
Whenever an opponent casts a nonartifact spell, put a charge counter on Chimeric Egg.
Remove three charge counters from Chimeric Egg: Chimeric Egg becomes a 6/6 Construct artifact creature with trample until end of turn.¹
Illus. Michael Sutfin

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 Banned in Standard
Printings (1/8)	Darksteel (Uncommon)