The Swarmlord Tyranids are Temur, and although I found this unusual when I first heard it, I can kinda see it now
At the beginning of enchanted players end step, that player discards their hand
Lands that produce more than 1 mana, like the Karoo lands or Lotus Field, can be untapped for maximum mana generation
Garnet, Princess of Alexandria Garnet, Princess of Alexandria is flavorful and powerful
The deck has a heavy combat focus, so the +1/+1 counters that the Angels get will help to bring your opponent's life totals down quicker
I don't believe this iteration on Niv-Mizzet is as powerful as some previous versions of the creature, but that isn't keeping the Dragon Wizard's price down all that much