Thats intentional, because Pendulum Monster Cards can be Summoned as monsters OR activated as Spell Cards, and they do different things depending on which way you play them
Energy and other useful cards, and then aim for victory with massive amounts of damage
In the case of a well-made Exodia deck based on Type 1, if the 1st set is taken first, the one-turn kill success rate is quite high based on 'based on not hitting the patrap'
Flying, haste Whenever Chiss-Goria attacks, exile the top five cards of your library
These events can be a great way for kids to immerse themselves in the game, meet other players, and even win some new cards to add to their collection
For an OTK, in addition to "Express Knight", you need to have a Level 10 that can be Special Summoned in your hand, or you need to Special Summon from the deck using "Urgent Schedule"