A Basic Pokemon Card of type Psychic with the title Unown E and 50 HP of rarity Uncommon from the set Mysterious Treasures and the flavor text: Shaped like ancient writing, it is a huge mystery whether language or UNOWN came first. It has the attack Hidden Power with the cost Colorless, Colorless, the energy cost 2 with the description: During your opponent's next turn, whenever your opponent flips a coin, treat it as tails. It has the ability EQUIP with the description: Once during your turn (before your attack), if Unown E is on your Bench, you may discard all cards attached to Unown E and attach Unown E to 1 of your Pokemon as a Pokemon Tool card. As long as Unown E is attached to a Pokemon, that Pokemon gets +10 HP. It has weakness against Psychic +10. 
Unown E