In Brawl, you can only use one of each card excluding basic lands, and one of those cards must be a commander: a legendary creature or planeswalker that sits outside the deck and can be cast at any time
While creature removal in Commander is still important, this amount of damage is small-ball in a multiplayer environment
In theory, yes, as any MTG card should have the same pattern that's been used by WotC since Alpha
I mostly avoided Spacecrafts in this archetypethey tend to slow things down since they tap your creatures to station
Sunblade Elf is pretty sweet, sure, but what that deck needed more than anything is better mana
Counterspell is often paired with smarmy flavour text of saying nope to your opponent, and this one manages to do it purely with the art