935 Moon Excavator

935 Moon Excavators enters the battlefield with
X +1/+1 counters on it, where X is the number
of untapped lands that your opponents control.
{4}, {t}; Destroy target land that you don't control.
Each player reveals the top five cards of their
library and puts any land cards from among
them onto the battlefield tapped, and puts
the other cards on the bottom of their library.