Actually there was a recent Vintage tournament done on twitch. While I don't think that fits what you want, but conceptually you could get your friends to connect via some online video conferencing app and play custom house rules game play there using video tech and paper magic.
Here is the link to that:
https://www.twitch.tv/videos/616491104
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Oooh Dicey:
[dice=1]100[/dice]