Appendage Amalgam

The value here lives entirely in the two keywords the body carries into combat, not in the 3/2 stat line, which is unremarkable on its own. Flash on a black three-drop converts a proactive attacker into a reactive one: hold it up as an ambush blocker against an incoming swing, or cast it at end of turn to leave mana open for a removal spell you may or may not need. The surveil-on-attack rider then pays you for eventually turning it sideways, feeding the graveyard for delirium, threshold, or recursion without spending a card or an activation to do it. That pairing (a flash body cheap enough to represent interaction, plus incidental graveyard fuel that accrues on every combat) is the low-commitment glue that graveyard-adjacent black decks fold in rather than build around. It asks for nothing on the front end and quietly works two axes at once: the flexibility of when it enters and the free surveil each time it attacks are what earn the slot, since the raw rate never would. This is a curve-filler by design, a card meant to smooth out a deck's tempo and its graveyard count simultaneously without demanding that either plan be built around it.