the most expensive one piece cards 10 – CrispyCards The 10 Most Expensive One

This is especially noticeable when proxies are mixed within the same deck

Tapping a land and a creature for a single mana is quite bad, but lands like this have a home in decks that actively want to tap their own creatures

Also, you get to reveal the top card of your library in your upkeep and then draw it unless an opponent takes damage equal to its mana value

#1 Mox Diamond Set: Stronghold Increase: +$70.05 Current Market Price: $642.18 Our final Reserved List card, Mox Diamond, picked up a few percentage points in value which translated to over $70 more per copy

Notably, this is not in addition to its other types, meaning that it can be quite effective at denying an opponent access to specific colors of mana that they might need

Bogardan Hellkite, Burning Sun's Avatar, and Inferno Titan are all great cheap ways to go about this