I wouldnt play Oblivion Ring over the fourth Detention Sphere in decks with easy access to blue mana
Portal Three Kingdoms adds some nice redundancy to some core effects but I have tried to avoid using them in cube mostly for price reasons
Beast WhispererBeast Whisperer (238,128 Inclusions, 13% of 1,800,702 Decks) Beast WhispererBeast Whisperer may not be the jack of all trades that BraidsBraids is, but that's simply because it's the specialist here
You may reveal an Angel card, a Demon card, and/or a Dragon card from among them and put them into your hand

Beyond Booster Contents 3 Uncommonscan be any of the following: 54 Non-foil uncommons 1 Basic land or rare or mythic rare scene cardcan be any of the following: 10 Non-foil full-art basic lands (96.6%) 5 Non-foil borderless scene rares (3.09%) 1 Non-foil borderless scene mythic rare (0.31%) 1 Non-foil rare or mythic rarecan be any of the following: 32 Non-foil rares (82.05%) 14 Non-foil mythic rares (17.95%) 1 Traditional foil card of any raritycan be any of the following: 54 Traditional foil uncommons (83.34%) 26 Traditional foil rares (13.67%) 14 Traditional foil mythic rares (2.99%) 1 Non-foil Booster Fun card or 1 traditional foil Booster Fun card of any raritycan be any of the following: 9 Non-foil showcase memory corridor uncommons (69.44%) 2 Non-foil borderless rares (1.23%) 8 Non-foil borderless mythic rares (2.47%) 14 Non-foil showcase memory corridor rares (8.64%) 5 Non-foil showcase memory corridor mythic rares (1.54%) 9 Traditional foil showcase memory corridor uncommons (13.89%) 2 Traditional foil borderless rares (0.25%) 8 Traditional foil borderless mythic rares (0.49%) 14 Traditional foil showcase memory corridor rares (1.73%) 5 Traditional foil showcase memory corridor mythic rares (0.31%) A traditional foil appears 16.6% of the time

Monsieur D'Arque, Despicable Proprietor Archazia's Island's Ruby and Sapphire deck is a meta-friendly package that's ripe for upgrading