Miller's Grindstone (HVY050) - Heavy Hitters Rainbow Foil

Once per Turn Action — [3 - Resources]: Attack
When this hits a hero, clash with them. If you win, destroy the top card of their deck. If they win, put a -1 POWER counter on this. (Clashing heroes reveal the top card of their deck. The hero that reveals the card with the greates POWER wins.)