Marix, The Storm Blade

Haste, vigilance, lifelink
When Marix, The Storm Blade attacks for the
first time each turn, Search your library for an
Equipment card and reveal it. If you reveal a
card named Blade of Six Runes this way put it
onto the battlefield. Otherwise, put that card into
your hand. Then shuffle your library.
Whenever another equipped creature you control
attacks, draw a card.