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 Post subject: Buyback & cost reduction
AgePosted: 2017-Feb-14 3:01 am 

Joined: 2008-Aug-08 6:34 am
Age: Elder Dragon
Location: Rouen, France
If I control Sapphire Medallion, how much does my Mystic Speculation with buyback cost me to cast?
Essentielly, does the cost reduction work only on the printed CMC or on optional costs like buyback as well?

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 Post subject: Re: Buyback & cost reduction
AgePosted: 2017-Feb-14 3:04 am 
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Joined: 2006-Dec-31 12:26 pm
Age: Elder Dragon
It'll reduce it.

You first figure out the main cost, including any value of X. Then add on any cost increases (Such as Sphere of Resistance, Buyback, Kicker, or Commander Tax), then subtract any reductions (Sapphire Medallion, affinity for ___, etc)

... and then check for Trinisphere. Stupid trinisphere.


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 Post subject: Re: Buyback & cost reduction
AgePosted: 2017-Feb-14 12:38 pm 

Joined: 2014-Jul-26 11:35 am
Age: Elder Dragon
To further clarify, "figuring out the main cost" involves selecting any additional or alternate costs, so you choose kicker, buyback, escalate, overload etc. first in working out the main cost, then everything happens as carthain described.

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 Post subject: Re: Buyback & cost reduction
AgePosted: 2017-Feb-14 6:27 pm 

Joined: 2008-Aug-08 6:34 am
Age: Elder Dragon
Location: Rouen, France
Ok, thank you.

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Scarab God Zombie Horde
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Morophon Eldrazi (5C Devoid)
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 Post subject: Re: Buyback & cost reduction
AgePosted: 2017-Feb-15 12:33 am 

Joined: 2015-Apr-23 11:27 pm
Age: Drake
Location: Antwerp, Belgium
Carthain wrote:
It'll reduce it.

You first figure out the main cost, including any value of X. Then add on any cost increases (Such as Sphere of Resistance, Buyback, Kicker, or Commander Tax), then subtract any reductions (Sapphire Medallion, affinity for ___, etc)

... and then check for Trinisphere. Stupid trinisphere.


Does this mean that I can keep casting Karador, Ghost Chieftain for WBG as long as I can keep my creatures in the yard? One of the guys was very sure that his ability doesn't effect commander tax, since it's not part of the casting cost, it's an 'extra' taxation.


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 Post subject: Re: Buyback & cost reduction
AgePosted: 2017-Feb-15 1:28 am 
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Joined: 2006-Dec-31 12:26 pm
Age: Elder Dragon
It most certainly affects the commander tax. So, even if it's the 3rd time your casting Karador that game, if you have 9 creatures in your 'yard, he'll only cost WGB (assuming nothing else is raising the cost to cast him.)


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 Post subject: Re: Buyback & cost reduction
AgePosted: 2017-Feb-15 2:08 am 

Joined: 2015-Apr-23 11:27 pm
Age: Drake
Location: Antwerp, Belgium
Carthain wrote:
It most certainly affects the commander tax. So, even if it's the 3rd time your casting Karador that game, if you have 9 creatures in your 'yard, he'll only cost WGB (assuming nothing else is raising the cost to cast him.)


That's it, he's coming back from retirement!


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 Post subject: Re: Buyback & cost reduction
AgePosted: 2017-Feb-16 11:35 pm 
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Joined: 2006-May-24 10:14 am
Age: Elder Dragon
Location: Tampa, FL, USA
Yeah, the formula is pretty simple. Start with mana cost, then all additions (like commander tax or Gloom), then all reductions (like Karador's ability or Helm of Awakening).

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