This isn't the first time Magic: The Gathering content creators have appeared to have a direct impact on prices - early this month, Rhystic Studies showcased the niche format 'DanDan', seemingly causing a bunch of unloved cards to soar in value
To be fair though, only 3 Bulbasaur items were sold and had a range of $2.00 - $1,857.35 Blastoise was in second in the total amount sold with $7470.15 and 3rd in an average cost of $298.81
Then put it into your Yu-Gi-Oh
These kinds of cards are often referred to as "vanilla"
Admittedly, Treasonous Ogre is more powerful in many scenarios, especially in the early game, but Mana Geyser comes with no risks or strings attached
However, a deck using these strategies still requires other cards to take advantage of these resources and close out the game