As a beginner, dont worry too much about chasing the rarest cards straight away
Show All Cards Inside the filter options at the top (marked in red)
You should also have a very clear goal for your Pokevesting, whether it is to complete a collection, flip cards for quick profit, or hold cards for long-term appreciation (the latter of which is often the most successful, even if the least gratifying)
Card Type: Synchro/Effect Attribute: LIGHT Card Level: 8 Monster Type: Warrior ATK: 3000 DEF: 1500 Card Number: LC5D-EN035 Card Text: Road Synchron + 2 or more non-Tuner monsters Once per turn: You can Special Summon 1 Level 2 or lower Warrior or Machine-Type monster from your Deck
and Rakdos Madness refers to the Merciless Rage deck, with Anje Falkenrath out front)
That said, it's a much faster way to show a Trainer how many cards they're missing from each deck and booster pack