Razzy Pyreblade, Catalyst

Whenever Razzy Pyreblade, Catalyst attacks, if it's equipped, cast a noncreature spell from your hand with mana value less than or equal to the total mana value among equipments attached to it without paying its mana cost.
At the beginning of your upkeep, if Razzy Pyreblade, Catalyst has three or more equipments attached to it, transform it.