Robert, Wielder of the Arcane

Cannot be countered.
Spells you cast cost {2} less to cast and spells your opponents cast cost {2} more to cast.
whenever an opponent casts a noncreature spell,
you may sacrifice a permanent and counter it.
{w}{u}{t} tap target creature and gain 1 life
{u}{b}{t} target play puts the top card of their
library into their graveyard