Groobek Snarlspar, Old Guard

As long as you control Groobek Snarlspar, Old Guard, cards in your hand have Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
Sacrifice a basic land: Add {b}{b}.
Sacrifice a non-basic land: Add {b}{b} and one many of any color that land could produce.