Korshem, Crossroad of Elements

Legendary Go again Whenever a hero reveals 1 or more cards, they gain {r}, or gain 1{h}, or their next attack this turn gets +1{p}, or the next action card they defend with this turn gets +1{d}. At the beginning of the end phase, if no hero has gained {r} or {h} from an effect and no card controlled by a hero has had {p} or {d} increased this turn, destroy this.