For my personal tastes, I would be scouring my rare binders for copies of Auratouched Mage, Eldrazi Conscription, Gigantiform, and Starfield of Nyx to start swapping out any less than ideal reprints

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You need to draw more than one card per turn to keep the pressure on
You also need to have an impactful walker to play the next turn because your opponent will likely just refill
Whilst visually impressive and effective at randomising your deck, most Magic players dont use this technique because riffle shuffling can damage cards and sleeves
In 20% of Set Boosters, this land is traditional foil