those are often out of anyone's control
Lets take a look at Pikachu
The win conditions are most often Hallowed Spiritkeeper or Cavalier of Flame, and it wins by putting creatures or lands into the graveyard
The equipped monsters can be used to facilitate the summoning conditions of Loading

Items: Paper Theater Pokmon Trading Card Game Pocket Pikachu ex - 5,500 yen | Paper Theater Pokmon Trading Card Game Pocket Mewtwo ex - 5,500 yen Paper Theater Pokmon Trading Card Game Pocket Charizard ex - 5,500 yen | Satchel Pokmon Trading Card Game Pocket - 3,300 yen Keychain Pokmon Trading Card Game Pocket Hourglass - 990 yen Smartphone Shoulder Strap Bag Pokmon Trading Card Game Pocket - 2,200 yen Smartphone Shoulder Strap Bag Pokmon Trading Card Game Pocket - 2,200 yen Sticker in a Pouch Pokmon Trading Card Game Pocket Pikachu - 1,100 yen | Sticker in a Pouch Pokmon Trading Card Game Pocket Mewtwo - 1,100 yen Sticker in a Pouch Pokmon Trading Card Game Pocket Charizard - 1,100 yen Item List (English): Paper Theater Pokmon Trading Card Game Pocket Mewtwo ex - 5,500 yen Paper Theater Pokmon Trading Card Game Pocket Pikachu ex - 5,500 yen Paper Theater Pokmon Trading Card Game Pocket Charizard ex - 5,500 yen *Adhesive is not included in the set