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I understood [[Grafdiggers Cage]] would block the reanimation part of [[Blood for Bones]] but it appears to prevent the part where you get a card to hand too. Can anyone explain why this is?

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over 4 years ago - /u/WotC_BenFinkel - Direct link

Almost certainly an anaphora resolution issue, where "another" is interpreted to mean "other than the one you returned" - if you returned nothing, then it can't match any objects as candidates for returning to your hand. Pretty interesting problem... Most of us are going on vacation soon, so it might not be fixed for January sadly. #wotc_staff

over 4 years ago - /u/WotC_BenFinkel - Direct link

Originally posted by freestorageaccount

Hm... I can also think about this and interpret "other than a nonexistent card" as allowing anything. Maybe this is like a NaN-type paradox.

No, the underlying code is basically "matching" on a situation in the game. Whenever we have one of these "other than" situations, it has to find the object that this noun is other than, in order to ensure they are not the same object. #wotc_staff