You might not expect to see this kind of thing in Mystery Booster Playtest cards, which are effectively a self-contained Un-set for most purposes
The decks are fun to play, have clear game plans, and illustrate the principles you can follow to create your own, original budget decks
First of all, the problem is that you have to put the curse token, which is a penalty, in the chaos bag for a cursed card, but there is also the problem that the performance of the cursed card itself is poor

Raging Bolt Ogerpon Pokmon: 21 2 Raging Bolt ex TEF 123 3 Teal Mask Ogerpon ex TWM 25 3 Noctowl SCR 115 3 Hoothoot SCR 114 2 Fan Rotom SCR 118 1 Bloodmoon Ursaluna ex TWM 141 1 Iron Leaves ex TEF 25 1 Fezandipiti ex SFA 38 1 Latias ex SSP 76 1 Mew ex MEW 151 1 Slither Wing PAR 107 1 Raging Bolt SCR 111 1 Ditto MEW 132 Trainer: 27 4 Professor Sada's Vitality PAR 170 2 Crispin SCR 133 1 Boss's Orders PAL 172 1 Judge DRI 167 1 Iono PAF 80 4 Nest Ball SVI 181 3 Ultra Ball SVI 196 3 Earthen Vessel PAR 163 3 Night Stretcher SFA 61 1 Counter Catcher PAR 160 1 Prime Catcher TEF 157 2 Area Zero Underdepths SCR 131 1 Jamming Tower TWM 153 Energy: 12 6 Grass Energy SVE 9 3 Lightning Energy SVE 12 3 Fighting Energy SVE 14 Raging Bolt ex works alongside Teal Mask Ogerpon ex to activate Bellowing Thunder and deal tons of damage to the opponents Pokmon
board wipes are the best way to beat those decks, after all
Eat cold sushi