crystal purge 3 legendary artifact Crystal purge does not untap as normal durring your untap step. T: target land type produces one extra mana of that color each time a land of the chosen is tapped. Chose one: lose 5 life~ or sacrafice a creature and have your opponent draw a card~ untap crystal purge. the goblins tried to harvest the purge, but failed to comprehend the power it held. a more powerfull, but more costly grim monolith. made it legendary so you could only play one at a time.