Many of the cards in the Darkrai ex and Greninja deck are designed to make you draw cards from your deck fast. This is to ensure you get set up with either Darkrai ex or Greninja quickly to start ...

Darkrai ex is a dark-type card with 140 HP and a retreat cost of two energy. It’s a basic Pokémon so you can play it from your hand right when you draw it — no need to worry about evolving it.