Dreadhorde Invasion is good for making expendable bodies, but it doesnt go wide and never really goes tall enough for the lifelink ability
Ayara, First of Locthwain Ayara, First of Locthwain works best in a combo-oriented build
Both commander choices are great for the deck, and unlike most cases, where there's a clear "best" commander, the choice between Tidus and Yuna is completely up to personal preference (although Yuna is the stronger of the two)
( Unstable had the card Old-Fashioned Vampire that had a bonus if it was dark out.) When I got my hands on the card, I thought it would be cool to make this the white-black card in the enemy legendary creature cycle and have the black activated ability be the one that cared about night, as black is the color of darkness
It's super clunky after that though, and handing your opponent a chump blocker when you want to make a creature big is definitely a downside