It was actually played in Vintage at some point, seeing as you could wreck opponents powerful mana rocks whenever the Predator hits
You can give your opponent lands, or more importantly, negative permanents like Bronze Bombshell or Jinxed Idol
Gandalf the White could see play in legend-heavy Commander decks with white mana as a support card, but on the whole, legendary flash isn't a strong enough effect for Gandalf the White to be a viable Commander
You can also lean into Izzet and take advantage of double strike + connive + combat tricks on an unblockable creature
5 livestream, Wizards of the Coast showed off more than 40 new cards across variant art versions and flip cards for the Lorwyn Eclipsed set, and kicked off the event with a rock opera musical starring two boggarts (goblins in this realm) produced by The Jim Henson Company
Scion of the Ur-Dragon One of the coolest dragon commanders around, Scion of the Ur-Dragon lets you pay a small fee to transform into any dragon in your deck