As mentioned earlier, the best way is by casting your spells at instant speed, putting your creatures onto the battlefield without casting them, and stopping your opponents from casting multiple spells each turn
Context first: negative expected value is standard for Pokemon card boxes, just as a concert ticket does not return its face value in tangible goods
The focus on colossal power and impressive Pokmon made it a fan favorite
Good trap cards are those that can: prevent attacks like Mirror Force, negate summons like Solemn Warning, negate spell/trap activations like Wiretap, negate effects like Breakthrough Skill or Fiendish Chain, remove monsters like Ring of Destruction or Compulsory Evacuation Device, and prevent your opponent from making plays like Vanity's Emptiness
The other mode does make this more viable though, as it has plenty of targets