This red sorcery often wipes away small creatures, makes opponents open to attacks, and causes a great chunk of chaos, completely earning its cost
Animations for certain cards such as Exodia the Forbidden One and Destiny Board are also different from previous games

Ancient Brass Dragon Ancient Bronze Dragon Ancient Copper Dragon Ancient Copper Dragon Ancient Gold Dragon Ancient Silver Dragon Ao, the Dawn Sky Arcades, the Strategist Atsushi, the Blazing Sky Avaricious Dragon Balefire Dragon Beledros Witherbloom Betor, Ancestor's Voice Betor, Kin to All Bogardan Hellkite Bone Dragon Bonehoard Dracosaur Capricious Hellraiser Chiss-Goria, Forge Tyrant Chromium, the Mutable Clarion Conqueror Darigaaz Reincarnated Defiant Thundermaw Dragon Broodmother Dragonhawk, Fate's Tempest Dragonlord Atarka Dragonlord Dromoka Dragonlord Kolaghan Dragonlord Ojutai Dragonlord Silumgar Ebondeath, Dracolich Firkraag, Cunning Instigator Furyborn Hellkite Galazeth Prismari Goldspan Dragon Hellkite Courser Hellkite Overlord Hellkite Tyrant Herigast, Erupting Nullkite Icingdeath, Frost Tyrant Incinerator of the Guilty Inferno of the Star Mounts Iymrith, Desert Doom Jugan, the Rising Star Junji, the Midnight Sky Kairi, the Swirling Sky Karrthus, Tyrant of Jund Keiga, the Tide Star Klauth, Unrivaled Ancient Kokusho, the Evening Star Korvold, Fae-Cursed King Korvold, Gleeful Glutton Kura, the Boundless Sky Leyline Tyrant Lorehold, the Historian Malfegor Manaform Hellkite Mirrorwing Dragon Moonveil Dragon Moonveil Regent Murktide Regent Neriv, Crackling Vanguard Neriv, Heart of the Storm Nicol Bolas, the Ravager Niv-Mizzet Reborn Niv-Mizzet, Dracogenius Niv-Mizzet, Visionary Niv-Mizzet, the Firemind North Wind Avatar O-Kagachi Made Manifest O-Kagachi, Vengeful Kami Old Gnawbone

For the Mega era specifically, it is too early to know which boxes will become the next Evolving Skies
Cloak is not an evergreen mechanic, but disguise/cloak might replace morph/manifest going forward
My guess is that it would not