Pickaxe of Thrommund

Equipped creature has "{t}: Untap target land and
put a charge counter on it."
Whenever the equipped creature deals damage to a player, tap target land he or she controls it doesn't untap during his or hers untap step.
Whenever a land has three or more charge counters on it, sacrifice it. If you do you may search your library for a land card and put it into the battlefield untapped
under your control.
Equip {3}