A Basic Pokemon Card of type Colorless with the title Erika's Dratini and 40 HP of rarity Uncommon from the set Gym Heroes.  It has the attack Tail Strike with the cost Colorless, Colorless, the energy cost 2 and the damage of 10+ with the description: Flip a coin. If heads, this attack does 10 damage plus 20 more damage; if tails, this attack does 10 damage. It has the ability Strange Barrier with the description: Whenever an attack by a Basic Pokemon (including your own) does 20 or more damage to Erika's Dratini (after applying Weakness and Resistance), reduce that damage to 10. (Any other effects of attacks still happen.) This power stops working while Erika's Dratini is Asleep, Confused, or Paralyzed. It has resistance against Psychic -30. 
Erika's Dratini