Steffen, the unmatched

+10: create a 10/10 college token with unblockable, hexproof, indestructible, double strike, and deathtouch.
+3: gain 50 life, target opponent loses 15 life.
-20: you win the game, in every game that is going on in a 100 kilometer radius of you, the player that has the most cards in their deck loses