Nissa Revane, Gruulfriend

+1: When a land enters the battlefield under your control this turn, it gains a +1/+1 counter.
-2: Search your library for a card named "Chandra, the Gruulfriend" and put that card into your hand.
-7: Lands you control become creatures with power and toughness equal to the number of +1/+1 counters on permanents you control.