Of course, Monsters with high attack stats can also win matches, but often, strategies revolve around the strongest Monster Effects
The Reality Chip You had to know that Equipment Jellyfish would be number one, right
Weakness: Metal (x2) Resistance: Darkness (-20) Retreat: 2 Mr
Nonetheless, with as many options to use monsters or other tools from the grave as Joey had, this was often more an advantage than anything else
Extra Deck The Extra Deck is a Deck where Fusion, Synchro, Xyz, and Link Monsters (as well as Pendulum Monsters that would otherwise have been sent from the field to the Graveyard) are stored during a Duel
While perhaps different now thanks to the London mulligan rule, in the past, people have calculated that your odds of winning when you mulligan to six (so starting with one less card than your opponent) is 40%, which might not sound like a lot, but considering that the odds are 50/50 with each player starting with an equal number of cards in hand, it's actually a 20% shift in your chances of winning the game