Sphinx of the Weak

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 Sphinx
of the Weak .
Special Skill -Creatures You Control have 1 Toughness can't be blocked and have Frist Strike.
(You may use this ability only if Sphinx of the
Weak is in your commander zone)
Flying