Naturally, you'd assume the deck would be playing four copies of Show and Tell in the main deck because that's the primary plan for winning the game, but instead, the deck is playing only three copies and leaving one in the sideboard for Burning Wish
Take advantage of trading, real-time conversations, and access to special events
More is always better in this regard, I just don't think it changes the game enough though I realize there's only so much you can change a Yu-Gi-Oh
Just for the sake of being complete here, the Tropical Island card (also found in that video above) rounds out most top 10 lists but is not considered part of the Power 9
My suggestion was a Coat of Arms for Slivers
Its fun, and it gives you a deeper appreciation for MTG deckbuilding as a whole