Askarn, the Runesage

+1: Revealthe top three cards of your library. For each land revealed you may gain 2 life. Put them back in any order.
-1: Tap or untap up to two target permanents. If they are controlled by an opponent, they won't untap during their controller's next untap step.
-3: You get an emblem with "Whenever a land enters the battlefield under your control, add two any of any color.