The Legacy of Kabas

Shroud, Indestructible
As long as The Legacy of Kabas is attached to a creature, activated abilities of that creature and instants and sorceries you control cost {3} less to cast.
At the beginning of your end step, you may tap an untapped Wizard you control and put an understanding counter on it. Then, if there are eight or more understanding counters on it, attach The Legacy of Kabas to that creature.
{t}: Untap equipped creature.