With the new enchantment Murder Investigation, if I enchanted Worldspine Wurm with it and had Cathars' Crusade out, how big would my new creatures be? Lets assume that for this scenario I only have Worldspine Wurm out.I know that I would have fifteen 1/1 soldiers coming into play plus three 5/5 wurms. Ideally I would think they all would enter with +18/+18, but I know that there is some weird way of doing this math. (ex. Rite of Replication kicked on Halimar Excavator mills over 100 cards due to some weird math way)
Just don't forget how much mana all this takes to happen. What is this, like fifteen something mana?
Peter is wrong, they don't come at the same time. The abilities from the wurm and the enchantment resolve separately. Since you control both of them you can choose the stack order. After the first ability resolves it will trigger the crusade x times and crusades ability will resolve before the second ability resolves and triggering the crusade another x times. So you can choose either: getting the wurms first, the soldiers wont get 3 +1/+1 counters from the wurms triggers. you end up with 3 23/23 wurms and 15 16/16 soldiers or getting the soldiers first the wurms wont get 15 +1/+1 counters for the soldiers for 15 19/19 soldiers and 3 8/8 wurms.
They all come out at the same time and all trigger CC which gives them all +18/+18. Your assumption was correct. There is no ideally about it, that is the way it happens, no other way.
