No matter what you choose, you throw them all in there with half a Modern deck and a card you found trawling through a commons box five years ago and never got to play anywhere
Balamb Garden, SeeD Academy / Balamb Garden, Airborne Slightly better than the mono-color town cycle is a GU dual land thats also a town and transforms into a vehicle later on
At the cost of 10 mana and sacrificing Realmbreaker, the player can search their library for any number of Praetors, or Phyrexian bosses, and put them right onto the battlefield to close out any game
Titania lets you bring back a land from the graveyard to the battlefield when she comes into play
That one will almost certainly be a chase card
Having that in mind, WotC is aware that some cEDH staples might disrupt the peace and create chaos in Brawl