Dwarf Weaponmaster

At the beginning of your upkeep, mine 2.
(To mine 2, flip 2 coins. For each flip you win, create a colorless Gem artifact token.)
{1}{r}, {t}, Sacrifice three Gems: Search your library for an Equipment card and put that card
on the battlefield, then shuffle your library.
"Sculptors decompose stone to create miracles for people to wonder. I create wondrous miracles so others can decompose people with them."