First, there are some extremely high-end foil mythics in Imperial Recruiter, Jace, the Mind Sculptor, and Ensnaring Bridge, all of which are in the $100-to-$200 range
Its best use seems to be either as a storm support card or in decks that can break the parity (with lots of cheap spells / creatures / cantrips that can cycle into each other), but Im honestly not a huge fan of it
Choose one and put it in your hand
It has basically just gone up in price from there
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Darklord Amdusc X DARK Level 6 [ FairyEffect ] ATK 1800 DEF 2800 You can discard this card and 1 "Darklord" card, then target 1 "Darklord" card in your GY