mewtwo hologram pokemon card #10 1999 Unlimited Holo BGS Mint 9 with Subgrades Psychic Colorless Hypnosis Flip a coin Mewtwo Shadowless 1st Edition (Holo)

The first Rogue was printed back in 1994 and there have been hundreds printed since, so Sneak Attack has plenty of options available

That set also comes with EB01-017-blueno which is just a common blocker that has the Film type, so he's also searchable (and playable) by a lot of cards in the deck

Grand Master - Steve Deck: Legendary Zapdos Prizes: 6 Steve focuses on using Lightning Pokemon

Getting a second opinion or using a professional service might be worthwhile here

As an added boost to an already terrifying card, any time a ninja, turtle, and/or mutant deals combat damage to a player, that creature gets a +1/+1 counter