Valentina, also known as La Contessa Valentina Allegra de la Fontaine, is an On Reveal hero featured in Marvel Snap. She boasts a Cost of two and a Power of three. Valentina's ability revolves around summoning a random six-Cost card into the players hand, with the condition of reducing its Cost by two and its Power by three. For instance, if a card originally Costs six and has nine Power, Valentina will incorporate it into the hand as a four-Cost card with six Power. This guide equips players with strategies to construct the best Valentina deck and effectively leverage her distinctive ability to dominate matches.