Everflame Crucible

{r}{r},Sacrifice an artifact: Put X a scrap counters on Everflame Crucible. Where X is, that card's converted mana cost.
{r}{t}, remove two scrap counters from Everflame Crucible: Until end of turn, artifact spells you cast cost {2}.
{r}{r}{t}, remove two scrap counters from Everflame Crucible: Put two +1/+1 counters on target artifact creature.