Rush of the Horizon

Search your library for three basic land cards, reveal them, and put them into your hand.
If you control seven or more lands, put the revealed land cards onto the battlefield tapped instead.
Reaching the foot of the golden city, my heart coaxed
me to climb higher. El Dorado was never a place, in reality, it was the name that people gave their most thrilling adventures. -Antidante, the Navigator