Turttrec

+20: Instant kill: Costs 21 Mana Insta-kills Opponent no matter what. Pierces through all Opponents creatures and all blocks.
+20: Weaken: Costs 9 Mana Weakens all of your opponents Creatures/Planeswalkers that cost over 4 Mana to play
+20: Strengthen: Costs 12 Mana Strengthens All Planeswalkers in Play