Collectors who enjoy Bug-type Pokmon find this card attractive for both display and collection purposes
If your opponent controls a monster and you control no monsters, you can Special Summon this card from your hand, and if you do, target 1 "Mushroom HERO" monster in your GY (except this card)
If you arent able to do that, youll likely lose as theres little else holding this deck together
BGS (Beckett Grading Services) uses sub-grades for centering, corners, edges, and surface, resulting in half-point grades like 9.5
Tormenting Voice / Cathartic Reunion Red gets the card neutral versions of Careful Study but the cost for that comes two fold
When you have two with different numbers on each side of the Pendulum Zone, you could spam out Monsters from your hand