Monument of Heroes

Double Strike
When Monument of Heroes enters the battlefield or attacks, you may pay {x}. If you do, reveal the top X cards of your library, put all Artificer and Equipment cards from among them into your hand, then put the rest into your Graveyard.
{x}{u/r}{w}, {t}: Create X 2/1 white Golem Soldier creature tokens with First Strike and Haste.