Urza's Command can drop the power of other player's dorks out of nowhere, make a Powerstone, make a tapped Construct token to win the game, and then scry and draw, so I think that the Construct and scry and card draw are the default here, and that's pretty good for four mana instant speed
Crystal, Inhuman Princess The color identity for Crystal, Inhuman Princess unfortunately means its playability is restricted, though it's quite good in the decks that support it
Hidden Fates Complete Hidden Fates Card List & Investment Guide Hidden Fates Card List & Investment Insights This complete Hidden Fates card list provides up-to-date market values for all 232 cards in the set
such as decking your opponent out because they ran out of a key resource, or Knocking Out your opponent's only Pokemon
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It helps that shes also fabulous