For those curious re: lack of investigate, when the large flying tentacle monster shows up, you can stop looking for the problem. It's that.
Combat damage dealt by Brisela counts for the Commander rule if either half is your commander. #MTGEMN
There's going to be a change in the Arbiter of the Ideal/constellation interaction. The cons. ability will trigger. Please spread the word.
There are tentacles shooting out of faces (out of faces!), and all you can think about is converted mana cost. It's the sum of the 2 cards.