On its back side, Esika becomes The Prismatic Bridge
Plus, this card is effective in many Odric, Lunarch Marshal or Soulflayer decks due to the keywords it brings to the table
You have cards that make lots of Vampire tokens (like March of the Canonized, Mavren Fein, Charismatc Conqueror, and Sorin), cards that make Vampires bigger (like Legion Lieutenant, Etchings of the Chosen, and Radiant Destiny), as well as cards to keep your Vampires in play (like Timothar, Kindred Boon, and Dusk Legion Lieutenant)
Five mana or less for cards like Omniscience and Portal to Phyrexia sounds like a fine deal, even if you need a haste enabler
Twice, to be exact
"New Pokmon Trading Card Game Includes Nintendo DS Tutorial - News"