My idea was to have flip cards that each had their own individual flip trigger built into their card
Decree of Annihilation I like the brand new Worldfire a lot more due to its thunder dome quality, but Decree is the original middle finger and also has the handy add-on of an uncounterable Armageddon
A two-mana, two-power first strike creature is already passing the vanilla test (especially in 2009), but when it can also produce a turn 3 Marit Lage 20/20 indestructible flying token, its a little bit much
In an ideal world, you make the backside a food token
In addition to these new commanders, Wizards of the Coast has also introduced a new mechanic called "Partner" in Commander 2016, which allows players the ability to have two commanders if both have the "Partner" mechanic, as seen below with two cards from the "Invent Superiority" deck