Broodhunter Wurm

A 4/3 for four mana with no text exists to anchor the curve of a green creature deck and nothing else: it trades up against most three-drops, folds to almost any point of interaction, and asks nothing of the player beyond a fourth land. This is the common-rarity vanilla beater green has printed in some form since the earliest sets, the body that fills a slot when the more interesting green work is happening at rare and uncommon. The 4/3 split is the design choice worth noting. The extra power over a 3/3 lets it push through and trade with larger blockers, while the three toughness keeps it squarely inside the range of cheap burn and combat tricks: it dies to anything dealing three, where a 4/4 would shrug those off and become free curve-filler in too many decks. That fragility is what keeps a textless four-drop honest. There is no engine, no keyword, no decision attached to it. Its entire reason for being is to give a deck a beater that hits hard, costs little attention, and leaves the splashier cards to carry the deck's identity.