Tratorous
blood seems okay, but in the competitive Modern Meta-game. The big creatures I need to get rid of usually are ones I'd rather just make the opponent sacrfice, or ones I couldn't even touch (
Emrakul, the Aeons Torn).
Rakdos Lord of Riots is strong, but he'd make my
Master of Cruelties cost Red/Black, not free. I'm not really interested in graveyard shenanigans, I honestly just want advice/tips on the possible combo I posted in the OP. Multiple copies of
Manamorphose off of
Izzet Guildmage to draw and store mana, to either combo out
lightning bolt or put down
Master of Cruelties with
break through the line on the field for the win.