If Akainu lands in that tradition, he becomes the card the rest of the OP-16 meta has to plan around, which is exactly why his supporting Navy cast and the counter package matter so much: they exist to guarantee he reaches the board
I'll start with the most basic version, Herald of Kozilek
There are a variety of reasons why proxy cards exist, some collectors prefer to use a proxy card over an original as this protects their investment
Michael Arnold recently crafted this beauty of a Battle of Wits deck to play at the Southern California quarterly event and collected donations benefitting The Autism Society for each win he got with the card Battle of Wits
Whammy Burn takes a long time to understand and perform, all to say, deal 0-4 damage to any target via a push your luck minigame
Plus, remember we are in the format that is all about protecting your Commanders from removal with things like Darksteel Plate, Heroic Intervention, and Lightning Greaves