Artificer Class

When Artificer Class enters the battlefield,
search your library for an Artifact card, reveal
it, put it into your hand, then shuffle.
{1}{u/r}: Level 2
Artifact spells you cast cost 1 less to cast.
{2}{r}{u}: Level 3
Instants and sorcery spells you cast have affinity
for artifacts. (They cost {1} less to cast for each
artifact you control.)