Game shops will typically buy any card thats worth more than 50 cents or so, but theyre going to offer something called buylist prices. These are considerably cheaper prices than what they sell, so youre going to take a 10-20% hit on the value of your cards if you go this route
It doesn't grant the land an intrinsic mana ability
Alpha Black Lotus The Holy Grail of Cardboard Year Made: 1993 Magic It Does: 0-mana Artifact: Sacrifice for three mana of any one color
Right now, they're more flavor than function, but as weve seen with gates, theres demand for novel card types like this
This is because it costs zero mana and immediately replaces itself in your hand once your opponent starts
[IX] Scholars David Buckingham and Julian Sefton-Green went even further, writing in 2004: "while Nintendo is now among Japan's most profitable corporations, it could be argued that the company would have struggled to survive without Pokmon"