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When fetches start settling around $10, [card]Sorin, Solemn Visitor[/card] drops to under $15, [card]Sarkhan, the Dragonspeaker[/card] fluctuates to around $20, and [card]Clever Impersonator[/card] (non-foils) tank to around $6, the non-hyped rares sitting at $2-5 will have a chance to see an increase according to how Standard settles
So, this makes some Unlimited Japanese cards more expensive than 1st Edition Japanese cards, and in many cases (especially for common cards), more expensive than English cards
(1/19/2018) While Contraptions you control are on the battlefield, the Contraption deck is not, even if you are using it to signify the three sprockets