Giant of Babil Traxos, Scourge of Kroog is pretty cool and large, and extremely easy to untap in this set between all the sagas, artifacts, and legends
The way this evokes how to claim the Soul Stone in previous depictions (sacrificing someone they love) is brilliant card design, but this also means the other stones are bound to be just as game-breaking
4 Raffine, Scheming Seer The Obscura mob boss of New Capenna, Raffine has been giving players a run for their money in Standard as one of the key threats in the Esper Legends deck
Follow up your Dovescape by tutoring for Sphere of Safety, and suddenly all those birds have nowhere to attack except other opponents
Still, its a safe bet to start out with any artifact which lets Trazyn untap itself for three mana or less: Retrofitter Foundry, Basalt Monolith, Pili-Pala, Staff of Domination any and all of which should make Trazyn lethal once you get Gilded Lotus or Sceptre of Eternal Glory into the bin with them
The amount of partner cards make a staggering number of different possible partner combinations
