Keldeo

Overview
Keldeo is a mythical rarity card. Although fragile due to low HP. It's synergy makes up for it, providing buffs to itself and in your deck.It's best as well to use cheap cards once you play this card to help activate this Pokemon's ability. Cards like Hau would also heavily benefit from this effect as well.Overall, the more cards you play, the more effective Keldeo becomes.