Din of the Fireherd
Shadowmoor — rare
Sorcery
Din of the Fireherd rulings:
2008-05-01: The parts of the spell happen in order. When determining how many black creatures and how many red creatures you control, keep in mind that you just put a creature onto the battlefield that’s black and red.
2008-05-01: If the targeted opponent becomes an illegal target, the entire spell doesn’t resolve. You won’t get a token.