Each commander represents one of the wedges that were introduced to us back in Khans of Tarkir
deck, especially if you wish to include Star Blast
3 Emet-Selch, Unsundered Esper Terra Gogo, Master of Mimicry Golbez, Crystal Collector Hope Estheim Joshua, Phoenix's Dominant Kefka, Court Mage Kefka, Ruler of Ruin Kuja, Genome Sorcerer Quistis Trepe Shantotto, Tactician Magician Tellah, Great Sage Terra, Magical Adept The Emperor of Palamecia The Lord Master of Hell Trance Kuja, Fate Defied Venat, Heart of Hydaelyn Vivi Ornitier Xande, Dark Mage
If the light can't pass through, you've got a fake
SE Secret Rare A Wild Monster Appears
Pouncing Shoreshark Mutate decks since the beginning have used Pouncing Shoreshark for some potentially repeatable bounce, if you manage to play it early enough