The last one in particular is amazing for when the stack is getting a bit busy (such as if someone is playing a Storm deck, or if there has been a lot of interaction), as it counters every spell and ability, and then exiles every spell cast
Exodia Necross, Contract with Exodia, and The Legendary Exodia Incarnate are both solid alternatives in case your original win condition plans fall through
You can look learn more about them through our web fiction and the upcoming set Secrets of Strixhaven
Compared to other decks, like Lugia VSTAR, that lost quite a few of their D block cards, Mew VMAX has effectively only lost Quick Ball (Sword and Shield), which has easily been replaced with Nest Ball from Scarlet and Violet
Its best with cards that have valuable activated abilities or attack triggers you want to trigger immediately, such as Rowan, Scion of War, or Alena, Kessig Trapper
Trying to shove the pack in the cardsaver might damage it