As one of the Gods from the original Theros block, Phenax has amazing sticking power through the combination of having indestructible and the ability to avoid any cards that exile creatures like Path to ExilePath to Exile and Swords to PlowsharesSwords to Plowshares (two of the most common cards in the format in 62 and 41% of possible decks respectively) thanks to the fact that if you don't have a ton of permanents in play to give you devotion to make it a creature
I don't really see this doing anything phenomenal outside of maybe unlocking some domain or converge spells in an otherwise mono-colored deck, but this isn't really a broken ability
And if you're willing to spend some big bucks then Id highly recommend Rise of the Eldrazi and Ugin, the Spirit Dragon, the two biggest upgrades for Kozilek
The SpongeBob Secret Lair was not shadowdropped as it was announced ahead of time
We're going to do a thorough analysis of each deck, highlighting its goals and how well it accomplishes them, check out its deckbuilding fundamentals, identify its strongest and weakest cards, then use all that information to create an optimized $50 upgrade path