Limit Break (FINAL FANTASY VII) If you're a FINAL FANTASY fan, there's a good chance you've interacted with FINAL FANTASY VII and even more likely that you can recognize the game's lead characters, like Cloud
In multiplayer you could do that once on your turn with firebending, and then the others, then flip him next turn after getting your swing on and dropping cost, and then again on your next one too
Also, they usually have high requirements, so not having any basic Pokmon can leave you stuck for a few turns
#2 Umbreon VMAX (Alternate Secret Art) - $324.83 Again, I'm surprised Umbreon isn't taking the top spot
It can enter the battlefield as an absolutely massive flier that also hates on graveyard decks, but as it is neither a human nor a card that interacts with the monarch in any way, I think this is another card that you end up cutting to make the deck more synergistic
Law and Kuma give you a Life card, adding a protection layer to push the game an extra turn or two until you can win