While not nearly as common of a theme as artifacts matter or Zombies, there's actually a surprising amount of awesome flash cards in Blue and White in Standard
Heavily Played condition cards may include cards that have significant creasing, folding, severe water damage, heavy whitening, heavy border wear, and/or tearing
Hour of Reckoning Token decks cant really beat a one-sided sweeper that you can convoke
Ok Tellah, Great Sage [Borderless Foil] #349 (Magic Final Fantasy) Details Full Price Guide: Tellah, Great Sage [Borderless Foil] #349 (Magic Final Fantasy) All prices are the current market price
If you're able to consistently cast more than one spell a turn, you're already in a good position, but cards like Blue-Black Artifact Control Trap your opponents within the pull of Sothera and gain control of the battlefield
While Chameleon cannot return itself to your hand, getting to copy another creature while changing its name is always useful