Arven is a highly influential card that allows players to add an item card and a tool card from the deck to the hand
Since the bigger tribes tend to be better, their lords have to do even more to improve their tribes, so it was more difficult for, say, a Zombie lord to make the cut than it would be for an Elephant lord
It's full of strong, interesting cards that strike a good balance between strategic complexity and beginner-friendly simplicity
Mew is no exception, and is one of the most widely beloved Mythical Pokemon ever to exist, debuting as the very first one back in Kanto
He has an ability where you can give another character "when this character is banished in a challenge, you may return this card to your hand"
It would probably be worth making a higher DPI template to get closer to the quality of the other cards on MPC Autofill