Heres what the MTG rules say about counter markers
Dual lands, named for their ability to produce two colors of mana, were first printed in Limited Edition Alpha in August 1993
Number 131 Language English Not Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pauper, Pioneer, Standard, Timeless, Vintage Rulings (1/19/2018) In Commander games allowing silver-bordered cards, The Grand Calcutron can be your commander
What hurts is not even that, it just shows that they will just put the price higher and higher whenever someone is mad enough to afford it
Their impact isnt immediate but rather builds over time, and more often than not, they lead to combos with other permanent types, such as artifacts
What Is a Fracture Foil