Can I use generic colorless mana to pay for Karn's Bastion's 4 cmc proliferate ability?

Asked by Asturonethoriusaline 4 years ago

Can I use generic colorless mana from ANY NON special colorless symbol lands to pay for the 4 cmc proliferate ability of the Karn's Bastion land?

Example:

Can I tap 4 basic lands(Mountains, Forest, etc), for 4 generic colorless mana, to pay the 4 cmc cost of the proliferate ability?

My understanding is that if the land has a, the special colorless mana symbol, next to a, the cmc ability on a land, then the answer is no using generic colorless mana.

But if the land has no special colorless symbol next to the cmc ability on the land, then can, could use generic colorless to pay for it.

I have seen lands that have that special colorless symbol next to a cmc ability.

Karn's Bastion land has no special colorless symbol next to its 4 cmc proliferate ability.

So because of that, I can use generic colorless mana from basic lands, etc, to pay for that 4 cmc proliferate ability, right?

Also need the ruling, rules citation, just in case a judge needs it, if use the land, and for deck description, deck comments, etc, in case someone ask, questions, if use land.

Thanks for any help.

Mike

seshiro_of_the_orochi says... Accepted answer #1

107.4b Numerical symbols (such as {1}) and variable symbols (such as {X}) represent generic mana in costs. Generic mana in costs can be paid with any type of mana. For more information about {X}, see rule 107.3.


Yes, you don't specifically need colourless mana for this. If you have a number-symbol in a mana cost, it means that much generic mana is what you have to pay for it.

November 2, 2019 4:05 a.m.

Thanks for the help, answer

November 2, 2019 5:04 a.m.

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