Rare cards After you get two medals, go to the Challenge Dome
While it does scale down in the late game, a three-mana draw-three in the early to mid-game is great, and giving your opponents cards with it might not even be bad, especially if you run effects that profit off of exactly this
For the Izzet tempo deck that is a pile of problems
Vorinclex, Monstrous Raider, Sword of Hours, Fractal Harness, and Evolution Sage all work to keep the engines running
The final ability of this Season can be used in conjunction with its first two, using your abundance of Treasure and exiled cards to rack up multiple casts on the same turn, dealing direct damage to opponents Creatures