Paired with the powerful removal options a Merfolk deck gains access to through white mana, there's a strong case to be made in favor of Azorius Merfolk decks helmed by Sygg
If you can't exile enough cards to meet or exceed the required mana value, you can't choose to collect evidence at all
We already play Firebrand Archer in EDH decks that buff damage, and some of those commanders are in Standard, like Ojer Axonil, Deepest Might / Temple of Power, Ob Nixilis, Captive Kingpin, Urabrask / The Great Work, Taii Wakeen, Perfect Shot, Judith, Carnage Connoisseur, and Imodane, the Pyrohammer
Pull into either Etail, Primal Conqueror, or Etali, Primal Storm to play even more free cards off the top and from your opponents
If you do, create a 4/3 white and black Vampire Demon creature token with flying
Without Karn around, Mycosynth Lattice is a fine (and mostly unplayable Against the Odds ) card in Modern