A Stage 2 Pokemon Card of type Grass with the title Erika's Vileplume and 80 HP of rarity Rare Holo evolved from Erika's Gloom from the set Gym Heroes.  It has the attack Mega Drain with the cost Grass, Grass, Grass, the energy cost 3 and the damage of 30 with the description: If Erika's Vileplume does damage to the Defending Pokemon (after applying Weakness and Resistance), remove a number of damage counters from Erika's Vileplume equal to half the damage done to the Defending Pokemon (rounded up to the nearest 10). If Erika's Vileplume has fewer damage counters than that, remove all of them. It has the ability Pollen Defense with the description: If an attack does damage to Erika's Vileplume while it's your Active Pokemon (even if it's Knocked Out), flip a coin. If heads, your opponent's Active Pokemon is now Confused. This power works even while Erika's Vileplume is Asleep, Confused, or Paralyzed. It has weakness against Fire 2. 
Erika's Vileplume