Thanos

Time Stone {b} plus two toughness to any creature card
Soul Stone {b}{b} does two damage to an enemy creature and gains two life
Space Stone {b} incapacitates an enemy creature that creature can not attack or block
Power Stone {b}{b}{b} instantly kills what ever it attacks no matter what
Reality Stone{b} you gain 5 life
Mind Stone {b}{b} automatically cripples the opponents creature of your choice (basically dwindled forever no matter what)