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 Magic: The Gathering Rules Q&A Contamination and tolarian academy
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1 year ago  ::  May 06, 2012 - 10:35PM #1
Kinsonal
Date Joined: Apr 13, 2012
Posts: 217
What happens if a and a are in play? Does it create black mana equal to the amounts of artifacts or just one black mana?
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1 year ago  ::  May 06, 2012 - 10:38PM #2
zammm
Date Joined: Jul 3, 2003
Posts: 27,233
Just . No more, no less. specifically says so.
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1 year ago  ::  May 06, 2012 - 10:38PM #3
rudolf
Date Joined: Sep 17, 2005
Posts: 16,218

May 6, 2012 -- 10:35PM, Kinsonal wrote:

What happens if a and a are in play? Does it create black mana equal to the amounts of artifacts or just one black mana?

It gives you just one black mana.

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1 year ago  ::  May 07, 2012 - 1:19AM #4
Zoidberg
Date Joined: Aug 16, 2005
Posts: 2,358

May 6, 2012 -- 10:38PM, rudolf wrote:

May 6, 2012 -- 10:35PM, Kinsonal wrote:

What happens if a and a are in play? Does it create black mana equal to the amounts of artifacts or just one black mana?

It gives you just one black mana.

Except if no artifact is controlled, right?

Rules question? Have you read the Basic rulebook already? No? Why not take some time to do that?

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1 year ago  ::  May 07, 2012 - 2:11AM #5
Segoth
Date Joined: Dec 16, 2010
Posts: 1,055

May 7, 2012 -- 1:19AM, Zoidberg wrote:

Except if no artifact is controlled, right?

Yes that would be correct.  Contamination specifically states that the land has to be tapped for mana, if the person who controls the academy controls no artifacts then it would produce no mana when tapped.

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Rockford, Illinois
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1 year ago  ::  May 07, 2012 - 3:13AM #6
• Celestial Teapots are broken!
Date Joined: Feb 24, 2007
Posts: 9,385
Are you sure about that?  's ability is still a mana ability if there are no artifacts, so activating it is still tapping a land for mana.

I'm thinking your conclusion is correct, since no mana isn't "any amount" of mana, but the point about tapping a land for mana isn't relevant.
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1 year ago  ::  May 07, 2012 - 3:36AM #7
Segoth
Date Joined: Dec 16, 2010
Posts: 1,055

May 7, 2012 -- 3:13AM, adeyke wrote:

Are you sure about that?  's ability is still a mana ability if there are no artifacts, so activating it is still tapping a land for mana.

I'm thinking your conclusion is correct, since no mana isn't "any amount" of mana, but the point about tapping a land for mana isn't relevant.

I'm pretty sure, but after rereading it and thinking it through not 100%.  I know that the tolarian academy's ability is a mana ability whether it produces mana or not.  My thinking is that you are activating it's ability by tapping it, since it's a mana ability it obviously doesn't use the stack, but it's ability won't produce any mana since you control no artifacts.  So since the contamination states "if a land is tapped for mana...." I would conclude that since the land was tapped for no mana that it wouldn't be replaced by the mana.

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Rockford, Illinois
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1 year ago  ::  May 07, 2012 - 3:39AM #8
Enigma256
Date Joined: Jul 28, 2010
Posts: 13,856
I'd argue that it was tapped for mana, it just didn't produce any
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1 year ago  ::  May 07, 2012 - 3:48AM #9
• Celestial Teapots are broken!
Date Joined: Feb 24, 2007
Posts: 9,385
The expression "tap a permanent for mana" is defined by the rules:

106.10. To "tap a permanent for mana" is to activate a mana ability of that permanent that includes the {T} symbol in its activation cost. See rule 605, "Mana Abilities."

There's no doubt that activating 's ability while it's a land is always "tapping a land for mana.

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1 year ago  ::  May 07, 2012 - 5:09AM #10
Segoth
Date Joined: Dec 16, 2010
Posts: 1,055

May 7, 2012 -- 3:48AM, adeyke wrote:

The expression "tap a permanent for mana" is defined by the rules:

106.10. To "tap a permanent for mana" is to activate a mana ability of that permanent that includes the {T} symbol in its activation cost. See rule 605, "Mana Abilities."

There's no doubt that activating 's ability while it's a land is always "tapping a land for mana.

Well I guess based on that then it would produce even if it would normally produce no mana at all.  I stand corrected.

DCI Level 2 Judge
Rockford, Illinois