This one cost sorcery has flashback for three so it's playable twice, and then it's a great first turn play, second-turn ramp or rock like Arcane Signet or Rampant Growth, third turn flashback
There's even a handful of cards in Wilds of Eldraine - like Knight of Doves - that benefit from this strategy, meaning that while you can play Tiana in aggressive decks or build her to be aggressive on her own, there's a lot more depth to her play
This would be a fine card even without the Wicked Role effect stapled on, and with it, Shatter the Oath is a premium pick for removal alongside Candy Grapple
I like that Archangel of Thune provides Karlov with additional +1/+1 counters when you gain life, giving you enough counters to exile creatures off two pips of life rather than three
Elves and Goblins are already pretty strong even without any tribal lord
This effect is rare because players usually dont like having their lands blown up, leading to a frustrating gameplay