Theres nothing better than the humble enchantress effect
Late Game While the deck is designed to win early, if a game goes long, Rowan still provides value by reducing costs for impactful plays
If a permanent that would be dealt damage has more than one shield counter on it, that damage is prevented and only one shield counter is removed
The new token created by the second class ability copies the characteristics of the original token as stated by the effect that created the original token

Heres a short list of all the important cards featured in each set: HGSS: Cleffa, Tyrogue, Jumpluff, Ninetales, Pichu, Pokmon Collector, Pokmon Communication, Professor Oaks New Theory, Copycat, Rainbow Energy, Double Colorless Energy, Donphan Prime, Typhlosion Prime, Blissey Prime UL: Rare Candy, Jirachi, Suicune/Entei Legend, Shaymin, Kingdra Prime, Tyranitar Prime, Lanturn Prime, Judge UD: Sages Training, Vileplume, Weavile, Rayquaza/Deoxys Legend, Muk, Sages Training TM: Junk Arm, Seeker, Twins, Rescue Energy, Almost Every Single Prime (Magnezone, Mew, Yanmega, Gengar, etc.) CoL: Jirachi, Pachirisu, Cleffa, Tyrogue, Ninetales, Sages Training, Professor Oaks New Theory BW: Emboar, Reshiram, Zekrom, Cinccino, Reuniclus, Zoroark, Pokmon Communication, Professor Juniper EP: Pokmon Catcher, Tornadus, Gothitelle, Cheren This is just an introductory list, but Im sure just by looking at it its easy to see how tough it can be to build a deck