Arsenal, The Warforged

Affinity for artifacts
Whenever you play an artifact spell, look at the
top five cards of your library. You may choose
an artifact card, reveal it and put it into your
hand, then put the rest at the bottom of your
library in any order.
{0}: Attach target equipment you control to
Arsenal, The Warforged. Activate only at the
same time you could cast a sorcery.