No, they are not banned but seeing a 6/6 with lifelink and flying on turn one isn't that fun and stoneforge isn't that bad, ti's what it enables that's bad.
Since EDH was basically invented by players independent of Wizards of the Coasts each community can have is own banned list but that's established by common accord of all participants.
There is also an official set of rules including a "banned cards" list that you can see below
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No, they are not banned but seeing a 6/6 with lifelink and flying on turn one isn't that fun and stoneforge isn't that bad, ti's what it enables that's bad.
Since EDH was basically invented by players independent of Wizards of the Coasts each community can have is own banned list but that's established by common accord of all participants.
There is also an official set of rules including a "banned cards" list that you can see below
(serra ascendant and stoneforge are not banned)
no they are not