Ring of Winter

Partner with Artus Cimber
Equip: {u}{u}
Indestructible, Equipped Creature also gains indestructible.
Blue Instant spells cost {2} less for you to cast
You may tap attached creature to tap another creature; that creature does not untap
during its controllers next untap phase.
Cimber believed that he alone had the power to resist
the Ring's temptations, but perhaps fell
for its greatest trick.