Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)
Flying (This creature can't be blocked except by creatures with flying or reach.)
When Hoarding Broodlord enters the battlefield, search your library for a card, exile it face down, then shuffle. For as long as that card remains exiled, you may play it.
Spells you cast from exile have
convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.).