Opal Guardian

Enchantment, WWW (3)

When an opponent casts a creature spell, if Opal Guardian is an enchantment, Opal Guardian becomes a 3/4 Gargoyle creature with flying and protection from red.

It was a moment in time, cast in stone—a moment whose time had come again.

Illus. Christopher Rush

Gatherer Card Rulings?, Legality?

• 9/25/2006: Guardian's effect doesn't wear off.
• 9/25/2006: After the triggered ability resolves, Opal Guardian is no longer an enchantment.
• 9/25/2006: A face-down creature spell will cause Opal Guardian's ability to trigger (if it's an enchantment).
• 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.

• Legal in Vintage (Type 1)
• Legal in Legacy (Type 1.5)
• Legal in Classic (MTGO)
• Legal in Commander
• Legal in Modern