The fuse mechanic in Dragons Maze allows you to play both parts of a split card if you pay their mana costs combined
Beginning Phase Untap step Priority: No players are given priority during this step Active Player: Phasing abilities are triggered
For example, if you control ten permanents, lose control of two, then play Temur Elevator, you won't have the city's blessing

Akul the Unrepentant Ancestor Dragon Archive Dragon Armament Dragon Bahamut, Warden of Light Betor, Kin to All Bloomvine Regent Bonehoard Dracosaur Boulderborn Dragon Clarion Conqueror Decadent Dragon Dirgur Island Dragon Disruptive Stormbrood Dracosaur Auxiliary Dragon Mage Dragonfly Swarm Dragonhawk, Fate's Tempest Drakuseth, Maw of Flames Feral Deathgorger Fin Fang Foom Firespitter Whelp Hoarding Dragon Immersturm Predator Incinerator of the Guilty Jeskai Shrinekeeper Karakyk Guardian Kheru Goldkeeper Lathliss, Dragon Queen Lorehold, the Historian Magmatic Hellkite Malevolent Witchkite Marang River Regent Nebula Dragon Neriv, Heart of the Storm Niv-Mizzet, Guildpact Niv-Mizzet, Visionary North Wind Avatar Nova Hellkite Pet Avengers Prismari, the Inspiration Purging Stormbrood Quandrix, the Proof Ramos, Dragon Engine Ran and Shaw Rapacious Dragon Realm-Scorcher Hellkite Riling Dawnbreaker Runescale Stormbrood Sagu Wildling Savage Ventmaw Scavenger Regent Shiko, Paragon of the Way Shinryu, Transcendent Rival Shivan Dragon Silverquill, the Disputant Sonic Shrieker Spinerock Tyrant Steel Hellkite Stingerback Terror Stormscale Scion Stormshriek Feral Summon: Bahamut Terror of Mount Velus Terror of the Peaks Teval, Arbiter of Virtue Twinflame Tyrant Twinmaw Stormbrood Ureni, the Song Unending Whirlwing Stormbrood Witherbloom, the Balancer Yiazmat, Ultimate Mark
