Best Izzet Mana Ramp Cards (Galazeth Prismari, Prismari Command, Storm the Vault) Izzet doesnt have a lot of mana ramp options, and while there are some that have niche appeal like Dalakos, Crafter of Wonders, the best cards with universal appeal lean on the acceleration provided by Treasure tokens to fix and generate mana
Having a 2500 base ATK Ace Monster in Number 39: Utopia isn't too shabby, either
If you are looking for a particular one, like Starburst or Time Walk, you might have to jump through some hoops, but for most commons it should be possible to find one
It's hard to see how good it is, because it's just like any time a draw card is printed
The rares and above are also generally strong removal or bomb-level spells, so I think this is a group of cards with high impact