Skyshroud Claim is generally the best since it puts lands into play untapped, but the others have advantages depending on your strategy
This is a very significant buff, particularly when you consider that its not all-or-nothing like many similar effects in the game
A dungeon card thats in play exists in the command zone and leaves the game again as soon as you complete it
Wizards did a print run of 110 of these cards to be handed out to family members and important Wizards employees
These gorgeous full-arts have always been highly coveted by players, and a matching playset makes an excellent centerpiece for any library
It only triggers once unless you flicker him, it randomly cares about the converted mana of the cards you exile, it doesnt let you stop the process if you want to, and it deals damage in very large chunks if you somehow find a way to circumvent the CMC limiter