You are pretty safe picking up a Pup, even if someone else does go for an aggressive red deck you will still be fine and will still have a good RX aggro deck if you want to stick with it
If youve played Pokemon in 2019 / 2020, you might remember that pesky control decks would run rampant featuring the deck-out card Belleba & Brycenman [Cosmic Eclipse]
You can get specific cards by trading with other players, participating in draft events, or buying singles online or from local shops
Again, this inevitably leads to fewer competing eyes for often high-value lots that just get drowned out by thousands of other listings
If thats not fitting for the problem youre facing, you can also choose to have all creature tokens get -2/-2 until the end of the turn, which is going to be great against Wolf tokens, Zombie tokens, probably Human tokens and basically every other creature token too