Wang Feng

Before the battle of Red Cliffs, a supposedly sleeping Zhou Yu allowed his old friend, a Wei advisor, to steal a planted letter forged as if from Wei's two best admirals.

Counterintelligence

Return any one or two creatures to their owner's hand.

Return one or two target creatures to their owners' hands.

Wei Night Raiders

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Whenever this creature deals damage to an opponent, that player discards a card.

Believing they wrote the forged letter that had been stolen from Zhou Yu, Cao Cao rashly executed his two best admirals for treason.