MagmaDroid, drive melter

Haste indestructible

When Magmadroid attacks put a charge counter on him then destroy up to one target artifact defending player controls with CMC equal to or less that the number of charge counters on magmadroid

{t}{u/r}{b}:return target artifact from an opponents graveyard with CMC equal to or less that the number of charge counters on magmadroid, exile it at the beginning of your next upkeep