If a permanent hasn't left the battlefield under your control that turn by the time the disappear ability would trigger, it won't trigger at all
Arcane Maelstrom Deck List Commander (1) 1 Kalamax, the Stormsire Planeswalkers (1) 1 Jace, Architect of Thought Creatures (21) 1 Eon Frolicker 1 Nascent Metamorph 1 Xyris, the Writhing Storm 1 Haldan, Avid Arcanist 1 Pako, Arcane Retriever 1 Glademuse 1 Ravenous Gigantotherium 1 Lunar Mystic 1 Niblis of Frost 1 Talrand, Sky Summoner 1 Charmbreaker Devils 1 Dualcaster Mage 1 Etali, Primal Storm 1 Goblin Dark-Dwellers 1 Djinn Illuminatus 1 Melek, Izzet Paragon 1 Rashmi, Eternities Crafter 1 Wort, the Raidmother 1 Solemn Simulacrum 1 Murmuring Mystic 1 Crackling Drake Spells (26) 1 Decoy Gambit 1 Deflecting Swat 1 Curious Herd 1 Clash of Titans 1 Channeled Force 1 Surreal Memoir 1 Chaos Warp 1 Comet Storm 1 Commune with Lava 1 Starstorm 1 Strength of the Tajuru 1 Artifact Mutation 1 Prophetic Bolt 1 Chemisters Insight 1 Frantic Search 1 Whiplash Trap 1 Crop Rotation 1 Evolution Charm 1 Harrow 1 Hunters Insight 1 Hunting Pack 1 Natural Connection 1 Slice in Twain 1 Tribute to the Wild 1 Growth Spiral 1 Temur Charm Artifacts (7) 1 Twinning Staff 1 Bonders Ornament 1 Lavabrink Floodgates 1 Arcane Signet 1 Commanders Sphere 1 Lightning Greaves 1 Sol Ring Enchantments (6) 1 Primal Empathy 1 Psychic Impetus 1 Shiny Impetus 1 Predatory Impetus 1 Swarm Intelligence 1 Wilderness Reclamation Lands (38) 1 Cinder Glade 1 Desolate Lighthouse 1 Exotic Orchard 1 Kessig Wolf Run 1 Mossfire Valley 1 Mosswort Bridge 1 Oran-Rief, the Vastwood 1 Scavenger Grounds 1 Yavimaya Coast 1 Command Tower 1 Frontier Bivouac 1 Gruul Turf 1 Halimar Depths 1 Izzet Boilerworks 1 Myriad Landscape 1 Rupture Spire 1 Simic Growth Chamber 1 Rugged Highlands 1 Swiftwater Cliffs 1 Thornwood Falls 8 Forest 5 Island 5 Mountain Jirina Kudro Magics Head Designer Mark Rosewater said that Ikoria: Lair of Behemoths will feature some Human tribal elements and Jirina Kudro fits right in with that theme
you might not want your opponent to have a Cryptic Command still
it was that Oath of Druids was so absurd that it needed very little help
There are also some great lands that can create any color, both budget and non-budget
Sephiroth on the other hand plays into the usual control strategies favored by Blue/Black by growing in strength for every opposing creature you remove from play
