You may choose not to untap this creature during your untap step.
, : Target Soldier creature gets +2/+2 and has vigilance for as long as this creature remains tapped.
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.
: Target Soldier creature gets +2/+2 and has vigilance for as long as this creature remains tapped.