See, once your opponent adds a card to their hand, by drawing or another card effect, you can discard Droll & Lock Bird to prevent them from adding any more cards to their hand from their main deck
One of these classic cards to continue to receive support is none other than Morphing Jar
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Should you have a Kiki-Jiki, Mirror Breaker on top of your library, you can create infinite copies of the Snoop
General Kreat, the Bolt unties both of these approaches in once card, giving you access to it repeatedly from the Command Zone
The speed boost to mill opponents is likely to help opponents that want cards in their graveyard unless you're turbo charging your other options to churn through opposing libraries alongside this