Ziggs, Hexplosive Expert

When Ziggs, Hexplosive Expert enters the battlefield, you may discard a card. If you do,
destroy a number of target artifacts equal to or
less than the discarded card's mana value.
{1}{r}, {t}, Sacrifice an artifact: Return Ziggs to
his owner's hand. If this card is returned to your
hand this way, you may cast it this turn as
though it had flash.