Khalni Heart Expedition

Landfall - Whenever a land enters the battlefield under your control, you may put a quest counter on Khalni Heart Expedition.
Remove three quest counters from Khalni Heart Expedition and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle your library.
"Ask, and it shall be given you; seek, and ye shall find; knock, and it shall be opened unto you."