Note that a cosmetic style doesn't usually give you a copy of the card itself, but you only need to get a card style once to apply it to all of the copies of that card you own
I play the elemental in my Gruul-Ponza-pile, and it always performs well
If you look through someone's binders and find a bunch of Lightning Bolts, Thought Scours, and Wirewood Symbiotes mixed in with the rares and mythics, it's pretty unlikely that the bulk is going to contain anything worthwhile
Of the incoming battles, Invasion of Karsus acts as a nice, mini-board wipe
At the start of the event, our Guide will randomly group you and others into tables of 3-4 players
Monarch is fun in commander and can get you extra resources, so this is a cool addition to consider