Aquitects Will, Phantasmal Terrain, Dream Thrush, Grixis Illusionist, Opposition, Parallax Tide, Reef Shaman, Seas Claim, and Spreading Seas are among the cards that can either change an opponents land into a useless land type, or just get rid of lands for an extended period of time
Just yesterday, for example, trirayoute noticed that their French copy of Summon: Fat Chocobo had two Chapter IIIs, rather than a III and a IV
An important aspect of Kubo's bargaining power was the then-ongoing Mini 4WD craze and its accompanying hit series Bakus Kydai Let's & Go
Notably, Urzas cost reduction will also make The Mightstone and Weakstone cheaper, but casting that card isnt the hard part
While you certainly are a smaller part of the problem than the people listing these cards on eBay or trading them away at Grands Prix, you're still a part