Wirbrith's Squire

Equipment spells you cast cost {1} less to cast.
If Wirbrith, Axe Knight in on the battlefield
under your control, search your library and/or graveyard for a card named Sparks Great-Axe
and equip it to Wirbrith, Axe Knight without
paying its mana or equip cost. If you searched
your library, then shuffle your library.