Aurelia, Exemplar of Justice (Ravnica Remastered 436) - Mythic

FlyingMentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)At the beginning of combat on your turn, choose up to one target creature you control. Until end of turn, that creature gets +2/+0, gains trample if it's red, and gains vigilance if it's white.