Rosheen did not produce colorless mana
I was playing a mirror match (last game) in MH3 draft.
My deck had Rosheen, Kozilek´s Command and Nyxborn hydra (pay off and enabler for X cmc spells). I would win the game, had a kozilek´s command that i tried to cast for 7 mana (cololorless x3 GGGG RR) - modes: 7x 0/1 (with vanguard attack would be 1/2) + exile Chrysalis. Game didn´t let me cast the spell - tried to tap rosheen, or autocast - both unsucessfull. Clicked all the options... Mana wouldnt allow... (i had enoght...). Tried till the last second (consumed all my time extentions, game passed to combat - and then i conceded)
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WotC_VNDR_Jeff#10342
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