While the legions of aspiring Pokmon masters would have been happy with just more of the same, the game introduced a considerable number of new features like a Pokmon breeding mechanic, an internal clock that affects world events, and more specialized Poke balls
Orcust Harp Horror X DARK Level 4 [ MachineEffect ] ATK 1700 DEF 1400 You can banish this card from your GY
Crunch 'em!" When Anna activates that monster's Quick Effect, she announces "I activate Anger Knuckle's effect!" When Anna activates that monster's Ignition Effect, she announces "Anger Knuckle's effect activates from my Graveyard!" When Anna Summons, "Heavy Armored Train Ironwolf", she chants "This impregnable fortress is the terror of the railways
Same for the super rares, the metagame's best decks typically base their key synergies around those cards, and finding them on time during a match is a big difference maker
Its really a matter of planning your moves carefully, and knowing how to play the deck well
Obviously, thats not a bad thing, but an army of 2/2s may be redundant at that point