If we look at this very simple graph, it shows how resource generation can spike massively from turn 6 onwards, which is true for a whole host of decks that can be considered fast
C Common Cluster Congester X LIGHT Level 7 [ CyberseEffect ] ATK 1000 DEF 2200 If this card is Normal or Special Summoned and you control no Link Monsters: You can Special Summon 1 "Congester Token" (Cyberse/DARK/Level 1/ATK 0/DEF 0)
Still, this doesnt have the best stats ever, even accounting for Pack Tactics, and its ability is both expensive and going to feel actively mediocre when you roll a 1-9 This is pretty bad for most of the game, since you need a bunch of mana and the right mix of mana values in your graveyard for it to do something
Battle Frontier Perhaps more than any Stadium card before it, Battle Frontier caused players to coin the term Stadium war, in which the presence of a certain Stadium could make or break a game
Synergy: Focus on cards that work well together, enhancing your deck's performance and increasing your chances of victory
There are a number of ways to cut through the faff and just mill a large number of cards all at once