It allows you to interact with your opponent during their main phase by using one of their own special summoned monsters as material for a Dark Link Monster
Target 1 card on the field
Even without these specific synergies, the card is just a solid grindy value engine, however, so the floor here is pretty high
The Structure Decks give duelists a great base Deck to start with, allowing them to dive right in and start playing so they can add to their Deck as they progress
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I come back to this game pretty much once every year to re-enjoy the gameplay