Self-mill enablers tend to work best when you can tack them onto an additional effect
It ticks a few boxes immediately in that it is a spell with different casting options as well as a zero mana spell should you chose it to be
These sites may or may not be widely available to the public but they do not generally have visible records of what prices cards sold for making this an opaque part of the market
Due to their dubious playability, theres a real chance Rakdos, Patron of Chaos price will drop post-release
Featuring three cards based on the fire-and-flying type and some metallic items, many have already pre-ordered and impacted availability in a major way
I believe the most valuable Pokmon card in history is still the Pikachu Illustrator card that sold for $900,000, the Japanese card that was a limited edition creation for winners of an art contest, making it exceedingly rare