It may be that throwing down suboptimal card after suboptimal card for the sake of seeing particular art or the puzzled then suddenly appreciative looks on your friends faces isnt how you like to playor maybe it is
Typically, when a Pokmon has two attacks, such as an attack that costs MMCCC, the first is only meant as a stalling attack until you can either power up its second attack or bring up another Pokmon
It allows you to discard an unwanted card in your hand to draw a new card
So you might want to use cards to protect them, like "Swords of Revealing Light", or cards to Special Summon them back, like "Call of the Haunted" and "Premature Burial"
They often offer two ready-to-play decks that contain a fixed list of cards, along with the basic rules and potentially some other accessories, making it easy for newcomers to simply pick up the starter set and play