BUG: Heisted spell cost not reduced by Medallions
I heisted my opponent’s Illuminating Lash, which is both red and blue, while controlling a Ruby Medallion. Since heist causes a spell to be cast with generic mana, Ruby Medallion should reduce the cost from 2 to 1, but it didn’t.
I have not tested this with other cost-reducing effects, nor with other effects that enable casting spells with generic mana. But I have previously seen similar generic-mana-casting effects work correctly on cards with delve.
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Wolisunde#28585
commented
I think what's happening is that 'you can cast this spell using any color of mana' is being treated differently than generic mana costs, so the spell still costs {RU}, but you can spend mana however you like on it. so the spell won't behave differently when heisted compared to when cast from hand.
I agree that this is confusion, and perhaps wizards should create a new mana symbol to signify 'use any color' if they want it to be treated seperately to generic mana...
I had a similar issue happen when I tried to delve a heisted card: I could only delve the part of the mana cost that was originally generic, rather than the whole cost, as would be intuitive: