They're definitely out there, but some of them could end up in a collector's pile of booster boxes that won't be opened for another 10+ years or so
The 2-mana investment does mean you can find a great rate of power to go along with your landfall strategy
C Common UR Ultra Rare Black Garden X SPELL Field If a monster(s) is Normal or Special Summoned face-up, except by the effect of "Black Garden": Halve its ATK, then, the controller of that monster Special Summons 1 "Rose Token" (Plant/DARK/Level 2/ATK 800/DEF 800) to their opponent's field in Attack Position
If you filled your deck with strong creatures you should do just fine
There are 15 cards to collect: six of them are always holo (Rowlet, Gossifleur, Growlithe, Victini, Pikachu, and Smeargle)