Since many low-power or non-cEDH optimized games frown upon optimized combo decks and often see higher turn counts, Mana Geyser is going to be the card you want during those games so you can guarantee the effectiveness of this ramp spell no matter where you stand in terms of board state, creature count, or life total
Except all the big spells in the format are just mediocre
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Notes and Rules Information for Joshua, Phoenix's Dominant // Phoenix, Warden of Fire: You can choose to discard no cards when Joshua's first ability resolves
This is the reason GameStop ranks better
But Angelite is where Sylveon ex throws your opponents for a loop
If you have 8 or more Stadium cards in your discard pile, ignore all Energy in this Pokmons attack costs