Beledros Witherbloom

The Pay 10 life ability is the loudest text here, but the body is quietly organized around affording it. Ten life is a steep, recurring toll, and this dragon builds you a discount plan in the same breath: at every upkeep, yours and each opponent's, you mint a Pest token that gives back a life when it dies, so an aristocrats shell full of sacrifice outlets turns those bodies into both fodder and small life rebates. That closes the loop. Untap all your lands for a second full mana pool, sacrifice the accumulating Pests to refund the toll, and the life payment stops being a countdown and becomes an engine. Green-black has long wanted a commander that treats life as a resource to spend rather than a cushion to protect (Erebos and K'rrik pushed the mono-black version of that idea), but this design folds mana generation into the same package, which is the harder trick to balance. The honest friction is elsewhere: the untap is capped at once each turn, so the ceiling is a real one rather than an infinite, and the Pests arrive one per upkeep regardless of how eager you are to spend them. What it offers is a doubling of your mana that you fund by turning your own life total into a churning, disposable resource, which is exactly the kind of grinding, morbid value loop the color pair was built to reward.