Archon generates card advantage and impacts the board when it ETBs or attacks, just like the Titan cycle
Mind Games (Tempest/Stronghold/Exodus) Remember how I mentioned that Blue was the color of slowing things down during the hectic days of Tempest Block limited
Costing a medium amount of mana, you would probably play this mid-game
Its first two chapters are less likely to completely overturn the game in draft, but its transformed side, Vessel of the All-Consuming, is very powerful
Similar to the Mox artifacts, Black Lotus costs zero mana, so you can play it on your first turn along side a land, but adds three mana of any one color when you sacrifice it
However, it's flexing black's color pie identity in a way we've not seen before