I cant emphasize enough how powerful taking game actions, like drawing cards, by spending zero mana can be so I think Sanguine Spy might be secretly pretty good
The Simple Answer So, pokemon foil vs holo comes down to this: holo usually means the artwork is shiny, reverse holo means the rest of the card is shiny, and foil is the broader umbrella term that can cover both, plus other shiny variants
It uses the classic Scapegoat+Metamorphosis combo to lock up the field and then can kill the opponent with Wave-Motion Cannon and Des Koala
Are Any of Your Old Pokmon Cards Worth Anything
A playable ACE SPEC often commands a $20-30 price tag, while niche ones like "Neo Upper Energy" can be found for a few dollars, making them accessible upgrades for budget decks.
To prevent opponents from going (very) wide against you, you could also consider Archfiend of Depravity, Crawlspace and even Silent Arbiter