I've long maintained that stealing a creature from their side of the board and using it as our own is a two-point swing in our favor in the zero-sum game called "having creatures" and drawing a card to boot is just gravy
While standard cards maintain uniform proportions, some specialized cards, such as EX or GX variants, may feature unique dimensions
Persistent Marshstalker Persistent Marshstalker can easily be a 4/1 or 5/1 for only 2 mana, so it already has great stats
As much as I hate signing up for stuff like this, it might actually be worth it if that's what it takes to secure the Ascended Heroes Focused Fighters Premium Collection, as this is a pretty beastly box of Pokmon TCG packs
Nearly all of these cards are relevant and desirable for Constructed formats, and some are also worth serious money (for rares, that is)
Enchantment Creature Nightmare4/4 When this creature enters, tap up to one target creature