u/Head_Protection_1705

I was playing and I encounter someone who used an Elder dragon. I know that if a unit enters the battlefield they can distribute their might to attack multiple enemies. So since he has Elder dragon all of my units would have died there. However my Ramhound has Tank due to Yummi. My question is Since my hound has tank doesn't he have to assign all the 5 damage first to my tank since it has 7 might? (2+1 from brush+1 from its ability+ 3 from Yummi). Or does it bypass the fact that it is a t