Pearlspear Courier

Oracle Text

You may choose not to untap Pearlspear Courier during your untap step.

2W, T: Target Soldier creature gets +2/+2 and has vigilance for as long as Pearlspear Courier remains tapped.

Card Rulings

10/4/2004 It checks the creature type when the ability is announced and resolved, but once the effect is placed on the creature, if its creature type changes the effect still continues.