When Tezzeret's Gatebreaker enters the battlefield, look at the top five cards of your library. You may reveal a blue or artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
{5}{U}, {T}, Sacrifice Tezzeret's Gatebreaker: Creatures you control can't be blocked this turn.
NM-Mint - $0.30
NM-Mint Non English - $0.30
Lightly Played - $0.30
Lightly Played Non English - $0.30
Moderately Played - $0.30
Moderately Played Non English - $0.30
Heavily Played - $0.30
Heavily Played Non English - $0.30
Damaged - $0.20
Damaged Non English - $0.20