Aurfesa, Forgebelly Queen

Protection from Instants and Sorceries
{1}{r},{t}, Sacrifice an artifact: Put a +1/+1 counter on Aurfesa, Forgebelly Queen.
{2}{w},{t}, Remove a +1/+1 counter from Aurfesa, Forgebelly Queen: Put a +1/+1 counter on a creature you control. That creature gains protection from instants and sorceries until the end of turn.
{x}{u},{t}, Remove X +1/+1 counters from Aurfesa, Forgebelly Queen: Search your library for an artifact card with mana value X, reveal it and put it into your hand, then shuffle. Activate