Thief of Rings

Special Summon - You may pay {5}; If you
Do Place this Card into your Commander Zone .
When you do you may cast any number of
Creatures with Total Mana Cost of Thief of
Rings.
Ring of Locking-Tap up to six Creatures
( You may use this ability only if Thief of Rings
is in your commander zone.)(Once on your Turn)
Deathtouch