However, I wouldnt call the first game (or even the first few) skillful
Every turn a Creature controlled by one of your opponents dies, you get to make a Treasure token
Booster boxes of this set can still be found for around $115, yet the TCGplayer market price for an Ikoria bundle is over $70
The respective reskins included Etali, Primal Storm as Tyrannosaurus Rex, Rampaging Ferocidon as the Velociraptor card, a Polyraptor as the Indominus Rex card, a Wayward Swordtooth as the Triceratops card, and a Regisaur Alpha as the Spinosaurus card.
Im completely ignoring that aspect of the format in favor of figuring out what shells actually work and what new cards are good
Braid of Fire's cumulative upkeep costs actually gives you a red mana--back when mana burn was around, this was an actual cost