Malthwain, Ancestor's Champion

Whenever this creature attacks, put the top three cards of your library into your graveyard. Then if there are seven or more creature cards in your graveyard put a +1/+1 counter on it.
{g}: Untap this creature and remove it from combat. Prevent all damage that would be dealt to and dealt by it this turn.
Trio (You can have three commanders if all of them have trio. This counts as partner)