Lena, Selfless Champion

The body count is the build. A token-payoff in reverse: instead of one big finisher that fills a board behind it, you commit a clutch of one-drops and hatebears first so the enter-the-battlefield trigger reads a full board and pays out in Soldiers proportional to what you already have down. That inverts the usual go-wide curve where the anthem or lord arrives early; here the deployment math is front-loaded, and the wider you go before she lands, the better the rate. The sacrifice ability is the insurance policy stapled to the engine. Set against a mass-removal spell, she trades her own 3/3 to hand indestructible to everything she outclasses in power, which is to say the swarm she just made plus most of the supporting cast. The power-comparison clause is the elegant restriction: it cannot blanket the whole board, only the small bodies, so it protects the tokens that fold to a sweeper while leaving the genuine threats to fend for themselves. Her own power being the yardstick also means a pump effect on Lena quietly widens the umbrella before you crack her. She is built for the precise sequencing seam between a wrath going on the stack and resolving, the moment a go-wide deck most needs a way to keep its board: a one-creature answer to a sweeper, paid for by surrendering the body that triggered the swarm in the first place.