The Brothers' War Commander

Muzzio, Visionary Architect

{3}{U}, {T}: Look at the top X cards of your library, where X is the highest mana value among artifacts you control. You may put an artifact card from among them onto the battlefield. Put the rest on the bottom of your library in any order.

Vintage Masters

{3}{U}, {T}: Look at the top X cards of your library, where X is the highest converted mana cost among artifacts you control. You may reveal an artifact card from among them and put it onto the battlefield. Put the rest on the bottom of your library in any order.