Sets that primarily take place there : Conspiracy and Conspiracy: Take the Crown Planeswalker natives (with planeswalker cards) : Dack and Daretti Fiora is a plane inspired by Renaissance Italy
An amazing seller
Its going to be very hard to determine which cards to keep around and which to ignore, as Limited in Magic: The Gathering is typically an aggressive format
You can't attack into it because you'll probably lose a ton of your board if you do
Borrow a canon duo: style your cards after day/night, fire/water, or plus/minus pairs to signal 'two halves of one whole.' Turn your story into stats: put 'Years Together,' an anniversary date, or the city you met as the HP and attack numbers
I had two lands, a Dark Ritual, a Juggernaut, a Sengir Vampire, Terror, and I believe a Power Sink