The Arcanum

As long as The Arcanum is in play, all Artificer, Cleric, Druid, Mystic, Shaman, Spellshaper, and Wizard cards you play cost {1} less to play and
come into play with a +1/+1 counter on them.
{x},{t}: Gain X mana of any color combination.
This mana may only be used to cast non-creature spells.
{t}: Search your library for a Human card, reveal
it and put it into your hand.