I like the suggested ability "vessel" whether as keyword or not:
Vessel (When this dies, put a 1/1 colorless Spirit creature token onto the battiefield.)
Should be added for now.
Vessel has been added. I believe I've setup the set here so that others can create cards for brainstorming our way towards the duel deck, but let me know if there are problems putting cards up. I also don't know if that still restricts you from adding mechanics.
I can add cards to the other deck, but not here.
Fixed! Sorry about that.
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