Devourer of Memory

Most self-mill payoffs run on a threshold: fill the graveyard to seven cards, or ten, then flip a switch. This one pays out per event instead of per state, and it pays out twice. Every time cards land in your graveyard from your library, the body grows and becomes unblockable for the turn, converting each mill trigger into an immediate, evasive point of pressure rather than a stored resource waiting to cash in. The built-in activated ability is the quiet half of the loop: it mills a card whenever you have the mana, so even an empty board with no other graveyard enablers can feed the trigger on its own, at the cost of a card off the top per pump. That self-sufficiency answers the standard complaint about payoff creatures, that they sit inert until you assemble the rest of the machine; this one carries its own ignition. The real tension is between milling fast enough to keep the pump firing and not milling away the payoffs you were building toward. There is also the fragility of a 2/1 whose evasion lasts exactly one turn: the buff resets each end step, so the clock only advances on turns you can actually feed it. Handled well, it is a threat that funds its own attack step; handled greedily, it decks a brittle body into irrelevance before the graveyard ever matters.