Tajuru Pathwarden

Five mana for a 5/4 with two evergreen keywords is a rate the game outgrew years ago, and the keywords are the entire pitch: there is no late-game scaling, no enters-the-battlefield value, no activated ability to spend extra mana on. What you cast is what you get. The trick is that the two keywords chosen are exactly the right pair for a body this size. Vigilance lets the 5/4 swing and still sit back on defense, which matters when the rest of the board wants to race; trample turns its power into damage that a single chump-blocker cannot erase. Together they make the creature do the one job a top-heavy green deck needs from its top end: attack without ceding the ground game, and close. The Ally tag connects it to a go-wide creature-type theme, though the card contributes nothing to that engine beyond a fourth or fifth body to count toward it. The toughness is the quiet detail; four survives most of the cheap removal an aggressive shell expects to face, so the power and trample stay online long enough to finish. As honest green filler, it does exactly what its design intends and not a point more: a clean, reliable finisher for a creature deck that lacks one. Nothing else was built into it, and nothing else is there to find.