Grim Servant

A tutor whose ceiling is set by how black your board already is: the search caps at your devotion to black, so the same enters-the-battlefield trigger fetches a one-drop in an off-color shell and something genuinely expensive in a saturated mono-black build. That scaling drives the whole design. Most unconditional tutors pay their cost in mana or card disadvantage; this one pays a flat three life and, more quietly, in the deckbuilding discipline required to make devotion large enough to matter. Cast it early into a thin black presence and you are fetching filler; wait until your board has developed and it becomes a demonic tutor that also swings for three with menace. The card rewards the black permanent pips (double-black casting costs, black creatures already in play) that aristocrat and reanimator shells accumulate anyway, so it is asking you to commit to color depth rather than splash it. The reason it never becomes a strictly-better body is that devotion reads at resolution, not at deck registration: the fetch is only as strong as the position you have earned by the time it enters. That is where the tension bites hardest. The turns you most want to draw a body-and-a-card (an empty board, mana flooding) are precisely the turns the tutor finds least, because you have no black pips down to feed it. A body that finds a card, drains you for the privilege, and scales with everything you have already committed to the color it serves.