Good cards which are playable in both types of format keep your collection flexible enough to play a variety of ways
Mega Starmie exs damage-spreading capabilities are especially popular in tournaments, Mega Zygarde ex has a ton of Fighting-type support, Mega Dragonite ex boasts one of the most powerful attacks in the game, and Mega Skarmory ex can threaten key support Pokmon, such as Meowth ex
While Pelagic Blade is a fairly high-cost move, and can only be used every other turn, players will need to use Lugia's other move a lot
In my opinion, these are licensed cards with Pokemon printed on them, but not Pokemon cards. Pokemon cards are made by The Pokemon Company / The Pokemon Company International (TPC/TPCi) for official play
When you pay one mana, it becomes a copy of a Creature you control until the end of the turn
While a 4/5 might not seem like it's up to the job of closing out the game, it's actually quite powerful in a deck overflowing with discard and sacrifice effects