Hi in my opinon the best card is articuno. lets look at the stats:

70 hp

no weakness

resistance to fighting

reteat cost of two

freeze dry

30:flipa coin if head oppenent pokemon is paralyzed

billzzard

50: flip a coin if head does 10 damage to all oppenents bench pokemon.If talis does 10 to your bech pokemon.

He is great fr a raindance deck and raindance will make a come back.