charlequin
Banned
I'm guessing that the main self-discard outlets will be red looters (tap, discard a card, draw a card) and enter-the-battlefield abilities like that wolf spirit that was spoiled. I can't imagine they'll include activated abilities that just have discarding as a cost anymore.
Yep, I think the last creature with a no-strings-attached discard ability was Oona's Prowler back in Lorwyn. I would expect a decent number of mana-plus-discard or tap-plus-discard abilities though.
By the way, just to clear things up, if a spell or ability has you discard a card then do something else (i.e. discard a card, draw a card, discarding not part of the cost), do you pay the madness cost during the resolution of the spell (i.e. before you draw a card)? And does the madness card resolve before the rest of that spell resolves, or does it go on the stack?
I believe it should be a replacement ability that happens immediately (discarding into exile) and a triggered ability which would go on the stack and resolve after whatever current spell or ability was done resolving.
On another note, the fact that investigate incidentally produces artifacts is yet another sign that Kaladesh is up next.
Also would explain why there's a big Equipment subtheme in BFZ despite very few (and no good) artifacts in the block.