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Then I would at least suggest that you put it on the market for a very high amount (just say 100 steemp, noone will buy it).
This way you wont suffer its heavy -30 population penalty for not having 10 other different card types.
Edit: Ah, already done :) gj ^^
Yes, put it for 12 Steemp and bought 6 cards and reached position 179 on the chart.