3 deleted 11 characters in body
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You may copy the exiled card and cast the copy without paying its mana cost.

That wording is ambiguous[1]. Fixed:

You may copy the exiled card. If you do, cast the copy without paying its mana cost.

This is bad. Casting the copy might become illegal during casting. In that case, one would have to roll back the casting and choose to do something else instead. But because casting the copy is mandatory, and because casting a spell that becomes illegal to cast is not illegal itself, that's not possible. The game would enter into an undefined state, at least in theory. Making the casting optional avoids this issue.


But what about

Copy the exiled card. If you do, youYou may cast the copy without paying its mana cost.

While that would workbe equivalent given the cards that current exist[2], I think people would find that weirder and/or more confusing than two "may".


  1. See Hackworth's answer for details.
  2. See Hackworth's answer for details.

You may copy the exiled card and cast the copy without paying its mana cost.

That wording is ambiguous[1]. Fixed:

You may copy the exiled card. If you do, cast the copy without paying its mana cost.

This is bad. Casting the copy might become illegal during casting. In that case, one would have to roll back the casting and choose to do something else instead. But because casting the copy is mandatory, and because casting a spell that becomes illegal to cast is not illegal itself, that's not possible. The game would enter into an undefined state, at least in theory. Making the casting optional avoids this issue.


But what about

Copy the exiled card. If you do, you may cast the copy without paying its mana cost.

While that would work[2], I think people would find that weirder and/or more confusing than two "may".


  1. See Hackworth's answer for details.
  2. See Hackworth's answer for details.

You may copy the exiled card and cast the copy without paying its mana cost.

That wording is ambiguous[1]. Fixed:

You may copy the exiled card. If you do, cast the copy without paying its mana cost.

This is bad. Casting the copy might become illegal during casting. In that case, one would have to roll back the casting and choose to do something else instead. But because casting the copy is mandatory, and because casting a spell that becomes illegal to cast is not illegal itself, that's not possible. The game would enter into an undefined state, at least in theory. Making the casting optional avoids this issue.


But what about

Copy the exiled card. You may cast the copy without paying its mana cost.

While that would be equivalent given the cards that current exist[2], I think people would find that weirder and/or more confusing than two "may".


  1. See Hackworth's answer for details.
  2. See Hackworth's answer for details.
2 added 620 characters in body
source | link

You may copy the exiled card and cast the copy without paying its mana cost.

That'sThat wording is ambiguous[1]. Fixed:

You may copy the exiled card. If you diddo, cast the copy without paying its mana cost.

This is bad. Casting the copy might be illegal or become illegal during casting. In that case, one would have to roll back the casting and choose to do something else instead. But because casting the copy is mandatory, and because casting a spell that becomes illegal to cast is not illegal itself, that's not possible. The game would enter into an undefined state, at least in theory. Making the casting non-optional is not acceptableoptional avoids this issue.

 

In addition to avoid this issueBut what about

Copy the exiled card. If you do, you may cast the copy without paying its mana cost.

While that would work[2], the existing wording is shorterI think people would find that weirder and/or more confusing than two "may".


  1. See Hackworth's answer for details.
  2. See Hackworth's answer for details.

You may copy the exiled card and cast the copy without paying its mana cost.

That's ambiguous. Fixed:

You may copy the exiled card. If you did, cast the copy without paying its mana cost.

This is bad. Casting the copy might be illegal or become illegal during casting. In that case, one would have to roll back the casting and choose to do something else instead. But because casting the copy is mandatory, that's not possible. The game would enter into an undefined state. Making the casting non-optional is not acceptable.

In addition to avoid this issue, the existing wording is shorter.

You may copy the exiled card and cast the copy without paying its mana cost.

That wording is ambiguous[1]. Fixed:

You may copy the exiled card. If you do, cast the copy without paying its mana cost.

This is bad. Casting the copy might become illegal during casting. In that case, one would have to roll back the casting and choose to do something else instead. But because casting the copy is mandatory, and because casting a spell that becomes illegal to cast is not illegal itself, that's not possible. The game would enter into an undefined state, at least in theory. Making the casting optional avoids this issue.

 

But what about

Copy the exiled card. If you do, you may cast the copy without paying its mana cost.

While that would work[2], I think people would find that weirder and/or more confusing than two "may".


  1. See Hackworth's answer for details.
  2. See Hackworth's answer for details.
1
source | link

You may copy the exiled card and cast the copy without paying its mana cost.

That's ambiguous. Fixed:

You may copy the exiled card. If you did, cast the copy without paying its mana cost.

This is bad. Casting the copy might be illegal or become illegal during casting. In that case, one would have to roll back the casting and choose to do something else instead. But because casting the copy is mandatory, that's not possible. The game would enter into an undefined state. Making the casting non-optional is not acceptable.

In addition to avoid this issue, the existing wording is shorter.