Ajani Ruthless

+2: Choose one: Creatures you control get +2/+0 until the end of turn; Or you gain 2 life; Or Ajani deals 2 damage to two target creatures or players
-4: Look at the top 4 cards of your library. You Play a White, Red or Green spell from among them and put the rest on the bottom of your library.
-12: Destroy all lands target player controls and you gain X life, where X is four times the number of lands destroyed this way.