A Stage 1 Pokemon Card of type Colorless with the title Blissey and 120 HP of rarity Rare Holo evolved from Chansey from the set Neo Revelation and the flavor text: Anyone who takes even one bite of Blissey's egg becomes unfailingly caring and pleasant to everyone. It has the attack Body Slam with the cost Colorless, Colorless, Colorless, Colorless, the energy cost 4 and the damage of 30 with the description: Flip a coin. If heads, the Defending Pokemon is now Paralyzed. It has the ability Softboiled with the description: When you play Blissey from your hand, you may flip a coin. If heads, remove 8 damage counters from Blissey. If tails, remove 4 damage counters from Blissey. Either way, if Blissey has fewer damage counters than that, remove all of them. It has weakness against Fighting 2. It has resistance against Psychic -30. 
Blissey