User blog comment:Dryuuu/THE ULTIMATE QUESTION BLOG OF SERIES 4/@comment-4832945-20120209044212/@comment-3325613-20120209132632

I don't think it was the coin that had to know who to resurrect. It was the necromancer who had to focus his energies on the coin and "make a wish" ("and your wish will be granted", that's what the Dochraid said). Morgana knew exactly who she wanted to be raised from the dead.