Arios the Conscience

+2: Each player may choose to gain 2 life or pay 2 life. Each player that pays 2 life creates two 1/1 white Knight creature tokens with vigilance.
-2: Each player may choose to destroy permanent or sacrifice a permanent. Each player that sacrifices a permanent draws 2 cards and gains 2 life.
-10: You get an emblem with "Whenever an opponent casts a permanent spell, that player sacrifices two permanents."