Shiro Swiftclaw

+2: If you would gain life until end of your next turn, double that life gained instead.
-2: Do 4dmg to any target, if a creature is destroyed this way you gain life equal to its converted manna cost and its owner looses that much life.
-10: Shiro deals 15dmg to your opponents and creatures they control. Each opponent gains and emblem with "Loose 2 life at the start of your turn"