Vilya, Ring of Air

Indestructible
Equipped creature has "{t}{u}: Add {u}{u}{u}" and "{t}{u}{u}: Tap target creature. It doesn't untap
during it's controller's next untap step."
Equip {3}
Of all the Elven-rings Sauron most desired to
possess them, for those who had them in their keeping
could ward off the decays of time and postpone the
weariness of the world.