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Have you played this game before

If you have a cheat in effect that gives haste you absolutely want the cards with effects like annihilator however if you expect the thing to be in play for a while Infinite Distortion becomes a lot more interesting

JP Classic This is a condensed version of the above list less extenders and more utility to more consistently set up the extenders

Balmor, Battlemage Captain Wizard decks have gotten many boosts over the years, especially ones that specialize in casting instant or sorceries

For particularly valuable cards, I recommend placing them in a dehumidifying box or a special collector's case