When you reanimate a body, you as the caster receive a magic effect to control the summon. So, I can easily identify the player has some reanimated body by testing the keyword associated to reanimations (MagicSummonUndead , or something like that). However, I don't have any information about the amount of reanimations active..

So, simple question: How can I identify the amount of reanimated bodies the player has at a given moment? I want this because I want to make the summons weaker the more the player has active.