As with already existing Morph decks, such as Kadena, Slinking SorcererKadena, Slinking Sorcerer (4550 decks) and Animar, Soul of ElementsAnimar, Soul of Elements (685 decks), the goal is to flip your creatures at the most opportune time, and keep your secrets closely guarded
I want to take cues from Teysa Karlov: turn the sacrificed humans into other resources with Pitiless Plunderer, Requiem Angel, or Xathrid Necromancer
The first is that Army of One suffix, a reference to Lightnings powerful combo attack of that name in the gamean aggression that is symbolically matched in the card by giving her several offensive keywords like Trample (which lets her deal excess damage from combat directly to a player) and First Strike (which lets her deal damage before anyone else resolves damage in combat)
Other Builds Theres definitely more than one way to build around Y'shtola, Night's Blessed, depending on what excites you most
During this phase, any abilities or spells that trigger take place