Encase in Ice

Flash (You may cast this spell any time you could
cast an instant.)
Enchant red, white or blue creature.
When Encase in Ice enters the battlefield, tap
enchanted creature.
Enchanted creature doesn't untap during its
controller's untap step.
"It was quite the buzz around here, finding you in
the ice. I thought Coulson was gonna swoon."
-Black Widow