In Mewtwo ex you have a powerful, high HP attacker capable of knocking out almost anything out there
Instead of offering completely original cards, the cards in the Spider-Man set are retrains: that is, they replicate the effects of cards that already exist in Magic: The Gathering , but with new names, artwork, and themes inspired by the Spider-Man universe
Keep in mind that most imperfections are per die, not per manufacturing run or per company, so just because one die from a box is fair or seems to have a bias doesn't mean the others will be the same
The Talonflame in the video above has Lightning weakness x2: it takes double damage from attacks made by Lightning type Pokmon
I put basically no stock in the pump ability, though I guess some prowess-heavy Veyran, Voice of Duality EDH decks or red aggro decks in Constructed might choose that mode on occasion
For utility, we have [Card]Karns Bastion[/Card] and [Card]Gavony Township[/Card] to spread the counter love