Honor Troll

Two lifegain payoffs bolted onto one green three-drop, and the interesting part is how they chain. The replacement effect that adds one to every lifegain event is the engine: it converts any incidental gain (a Soul Warden trigger, a single point off a lifelink attacker, a Font of Life or a Renewed Faith) into slightly more, and the increments compound faster than the raw sources suggest. A fetchland crack that pays life to gain nothing does not qualify, but a steady drip of small triggers builds quickly. Then the threshold ability pays off that accumulation: cross 25 life and the 2/3 body swells to a 4/4 with vigilance, a real clock for a card that costs so little. The sequencing is tidy because the +1 rider actively pushes you toward the 25-life line the buff wants, so the two abilities are not unrelated bonuses but a ramp and its destination. The design lives entirely in decks that already generate a steady stream of small lifegain, where every trigger matters and the aggregate crosses thresholds other cards only reach on paper. Left to itself it gains you nothing; it needs a life engine already running to matter, which is exactly the constraint that keeps a 2/3 vigilance body fair at three mana. Feed it a deck full of tiny lifegain triggers, and it turns marginal life increments into a beater and a wall in one slot.