Whenever an Angel you control dies, create a 1/1 white Spirit creature token with flying.
Shes amazing in Leonardo da Vinci decks, for starters
In Lorcana you have to wait for effects to trigger against your own cards to exert board control on other peoples turns
No sooner was the card previewed than people started gushing about its interactionsand they are legion and cover the three main Constructed formats

The Hosts of Mordor Decklist Commander (1) Creatures (27) Goblin Dark-Dwellers Inferno Titan Knollspine Dragon Scourge of the Throne Siege-Gang Commander Treasure Nabber Hostage Taker Notion Thief Merciless Executioner Anger Goblin Cratermaker Guttersnipe Saruman, the White Hand Corsairs of Umbar Monstrosity of the Lake Shelob, Dread Weaver Cavern-Hoard Dragon Orcish Siegemaster Rampaging War Mammoth The Balrog of Moria Grma, Saruman's Footman Lord of the Nazgl Moria Scavenger Troll of Khazad-dm Voracious Fell Beast Grishnkh, Brash Instigator The Mouth of Sauron Instants (6) Arcane Denial Consider Fact or Fiction Forbidden Alchemy Thrill of Possibility Bitter Downfall Sorceries (16) Decree of Pain Languish Living Death Reanimate Blasphemous Act Boon of the Wish-Giver Deep Analysis Feed the Swarm Faithless Looting Extract from Darkness Subjugate the Hobbits Wake the Dragon Lidless Gaze Summons of Saruman Too Greedily, Too Deep Treason of Isengard Enchantments (4) Revenge of Ravens Shiny Impetus In the Darkness Bind Them Fiery Inscription Artifacts (8) Arcane Signet Basalt Monolith Commander's Sphere Everflowing Chalice Mind Stone Sol Ring Worn Powerstone Relic of Sauron Lands (38) Choked Estuary Desolate Lighthouse Dragonskull Summit Drowned Catacomb Foreboding Ruins Frostboil Snarl Smoldering Marsh Sulfur Falls Sulfurous Springs Sunken Hollow Underground River Command Tower Crumbling Necropolis Evolving Wilds Field of Ruin Path of Ancestry Rogue's Passage Terramorphic Expanse The Black Gate Island x6 Swamp x6 Mountain x7 Commander, Theme, and Strategy The Hosts of Mordors commander, Sauron, Lord of the Rings, lines out its two main strategies pretty well: reanimation and amass orcs

Syphon Mind Syphon Mind wasnt the best card when it was released in Onslaught