Aerith does differ slightly in that she has a legendary subtheme, giving you a way to put those counters on all your other legendary creatures
Because its a Stage 2 card, its a little more difficult to set up, but it might have a place in some Psychic decks built around control
They possess a move that lets them potentially block all incoming damage while reflecting 20 points back to the attacker on their turn, though Mewtwo's trainer must use Reflect Shield in advance for it to take effect
Merry allows for a very consistent token army plan, generating 1/1s Chatterfang style as you create food tokens, whilst Pippin gives you an egregious Ezuri-style effect slapped onto a Haste enabler, turning your food stockpile into a terrifying late-game threat
Following the release of Astral Radiance in May, the next Pokmon Trading Card Game will be based on the Japanese set Dark Phantasma.
Drawing cards is one of the best incentives for any strategy, and players already know that this card needs to be killed ASAP