Celestial Armor

Artifact — Equipment{2}{W}

Flash (You may cast this spell any time you could cast an instant.) When this Equipment enters, attach it to target creature you control. That creature gains hexproof and indestructible until end of turn. Equipped creature gets +2/+0 and has flying. Equip {3}{W} ({3}{W}: Attach to target creature you control. Equip only as a sorcery.)

Colour identity White · Equip, Flash

In short

Celestial Armor has 5 listed printings; the most valuable is the Borderless · Mana Foil printing from FDN at US$20.91 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.