Messengers Altar

{t}, {1}{x}: Sacrifice an Equipment. Search your library for an Equipment that can be attached to
a Hunter, put it onto the battlefield, then shuffle.
If its mana value or equip cost is X more than the sacrificed Equipment, pay X more. If the sacrificed Equipment was attached to a Hunter, attach the new one to it and untap it.

{t}: Sacrifice X Equipment, gain {x}.