World's Defender

+2: Add two mana of any colors to your mana pool, then you gain 3 life or draw a card. Discard a land and mill 2 cards.
-3: Up to three target lands each become your choice of a 0/7 elemental with defender, or a 6/3 elemental with trample.
-9: You get an emblem with "Triggered abilites of lands entering the battlefield trigger an additional two times". Draw 3 cards.