Ira the Weapon

+2: Until your next turn, if a source would deal damage to you or a permanent you control, prevent 1 of that damage.
-4: Destroy target creature. Its controller looses life equal to its power plus its toughness.
-10: You get an Emblem with "During each upkeep, make a copy of this emblem. During your end step, each opponent exiles the top of their library."