Dragon Maw Katana

When Dragon Maw Katana enters, attach it to target
legendary creature.

Equipped creature gets +1/+0 and has "{t}: Look at the
top X cards of your library where X is this creature's
power. You may put all cards named Dragon Maw
Katana onto the battlefield."

Equip {2}

A deck can have any number of cards named Dragon Maw
Katana.