Whenever Hiveheart Shaman attacks, you may search your library for a basic land card that doesn t share a land type with a land you control, put that card onto the battlefield, then shuffle.
{5}{G}: Create a 1 1 green Insect creature token. Put X +1 +1 counters on it, where X is the number of basic land types among lands you control. Activate only as a sorcery.