(2020-09-25) An ability that triggers whenever you gain life for the first time each turn wont trigger if you gain life during a turn before the permanent with that ability is on the battlefield, even if you gain life again later in the turn
The more life gained, the merrier, so youre looking for an Orzhov deck centered around lifegain, self-mill, and reanimate
With two cheap commanders in the Command Zone, you get to use Fierce Guardianship and Deflecting Swat for free, likely much sooner than your opponents, and much like Rograkh, you can offer up Silas to any cards that require a sacrifice to reap those rewards
That said, the more niche it is, the more fun youre likely to have - and the more creative you can be with your card choices
However, unlike some effects, it doesnt go away automatically or through coin flips