Reyhan, Last of the Abzan

The structural insight buried in this design is that +1/+1 counters survive their host. Most counter-matters payoffs treat the creature and its counters as a single unit: kill the creature, the counters evaporate. Reyhan severs that link. When a counter-laden creature dies, the bonus does not die with it; it relocates, intact, to whatever you point at next. That converts every death into a stat transfer, and it rewards exactly the play patterns most decks try to avoid, namely throwing your biggest threats into combat or onto a sacrifice outlet. The clause catching creatures put into the command zone is the quiet keystone: a partner commander that dies and gets routed to the command zone rather than the graveyard still feeds its counters forward, so the engine never runs dry as long as you have something to recur or recast. Its own body, arriving with three counters already on it, makes the legend its own first deposit. As a partner, Reyhan is less a finisher than a load-bearing chassis: it pairs with an aggressive counter-distributor or a sacrifice engine to build the +1/+1 archetype that mono-green stats and black recursion had each only half-supported on their own. The design lesson here is that a counter is more interesting as a portable resource than as a permanent buff, and Reyhan is the card that made the Abzan counters deck cohere into something more than fragile individual bodies.