A crap-ton of the strongest Pokmon decks rely on key Item plays to do their thing, especially those that use Rare Candy to guarantee crucial evolutions for their biggest hitters
Entering a password costs them 50 Deck Volume points and 1 Duelist Level for every attempt, regardless of whether it is successful
However even with these changes it does not really stop swarming, it becomes somewhat of a utility card that stops One Turn Kills
Theoretically, you can play Snapcaster Mage, trade with an opponent's 2/2, and then cast another instant or sorcery from the graveyard all in the same turn
Some, like Heavens Charm, put themselves into your hand, others, like Heavens Gate, power up all your Digimon and security Digimon by 5000, before going back to your hand
This god does massive damage to the entire table, and only asks you to do a very simple thing you were already doing