As Sanctuary Blade becomes attached to a creature, choose a color.
Equipped creature gets +2/+0 and has
protection from the last chosen color
(A permanent or player with protection can't be targeted, enchanted, equipped, fortified, damaged or blocked by sources of the given property.).
Equip 
(: Attach to target creature you control. Equip only as a sorcery. This card enters unattached and stays on the battlefield if the creature leaves.)
Vintage
Modern
