These events are typically Sealed events, where players are given six booster packs of the new set and build a deck out of them to compete with
But back then, the top decks of the day hadn't considered this logic
There are common cards, uncommon cards, rare cards, super rare cards, legendary cards, and enchanted cards
The budget deck is designed to be sparing on anything rarer than Uncommon, but there are a few key Rares you need to make this style of deck work
Dragons in particular have a field day getting cost reduction of any kind
Laelia, The Blade Reforged Laelia, The Blade Reforged is powerful and its exile payoff triggers off cascade, which is potentially interesting