product suggestion
I feel like this is a weird way to point out a product problem, but... however you want to do it:
So, my opponent had a ghostly prison out, and I wanted to attack with one creature. I only had one treasure available BUT I also had the crime novelist out, so I should've been able to sack the treasure, gotten two mana for it, and been able to pay for the attack, but instead the program didn't process that I got another mana and insisted I needed to pay two mana.
NoNoC#53918
shared this idea
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Rezzahan#77802
commented
The problem is, that you have to pay during attacker declaration, a time when no triggers can be put on the stack, and no triggers can resolve, except for triggered mana abilities. Crime Novelist's ability is NOT a (triggered) mana ability, because it does not trigger of of a mana ability (it can trigger from thigs other than mana abiliies, and it cannot only be sometimes a mana ability), so it has to go on the stack. So you do not have that mana available to pay for Ghostly Prison's tax. This is not a bug, but a result of how the rules work.