Thassa's Oracle hasn't done anything positive for the Commander format, and really just warps cEDH around it to the point that most of the meta includes blue just to win with Thassa's Oracle
Next thing you know, they run away with the game with all the value and momentum from pumping all of that mana into one super powerful spell or effect
Note that you're changing numbers, not digits
Sure, there are plenty of creatures to be swinging in with, but if youre trying to focus on milling your opponents through radiation counters, youre going to need to make a few upgrades to keep the proliferation up
And just like the regular TCG, not every card is easy to pull
Card Name Mana Cost Type Sorcery Rarity Mythic Rare rules Text Until end of turn, any time you could activate a mana ability, you may pay 1 life