Mutilate is great but requires you to be heavily committed to Black or mono Black
Some, like the first Pokmon on our list of rare legendaries, are incredibly rare
Flygon ex has the following attacks: Dragon Pulse - 140 damageDiscard the top card of your deck
This legendary horror pirate wants you to mill your opponents during your turn, especially by hitting them with horror creatures, and reanimate a powerful threat that your opponents happened to mill
For example, many Japanese promotional cards (like special Pikachu promos or tournament prize cards) have gained value over time due to their limited release and uniqueness
The starter decks are a great value, and while the deck isnt super optimized or competitive, its fun and is the best way, in my opinion, to get started