mtg commander precon 2020 Magic: The Gathering Zendikar Rising Deck – Sneak Attack | 100 Card Ready-to-Play Deck | 1 Foil Commander Commander Series: List of All

Counterspell was in Fourth Edition and was a staple card in any deck that included Blue

But replacing Yawgmoth with these cards in the command zone instantly lowers the power and amps up the goofiness of your black sac deck, so they might be nice to have on hand in case you walk into the LGS and everyone is actually shuffling up precons

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Glen Elendra Archmage is a nice Negate on a stick, and you can use that twice thanks to persist

The only caveat is if there's some artifact animation effect in play, like Katsumasa, the Animator that turns artifacts into creatures