Savage Silhouette

The numbers are the giveaway that this is an aura built for a creature deck that wins fights rather than races. A flat +2/+2 is the same combat math a one-shot pump would hand you, but stapling it to a regeneration outlet changes what the buff is doing: instead of trading the enchanted creature in a block and eating the two-for-one that auras always risk, you can keep available to shield the host through combat that would otherwise kill it, and through removal that relies on dealing damage or saying "destroy." The granted ability is a repeatable shield, so the creature becomes a recurring obstacle the opponent has to answer with something that sidesteps regeneration entirely: exile, bounce, sacrifice effects, or a counter that shrinks it below lethal another way. That is the tension auras have always carried, the card disadvantage built into committing a spell to a creature that can be killed in response, and this one pays for that risk by making the host genuinely hard to destroy rather than just bigger. It sits in green's lineage of "grow and protect" auras, the same line of thinking that runs through Rancor in spirit if not in mechanics: green deciding that the best way to defend an investment is to make the creature too sticky to profitably remove. Strip the regeneration clause and there are cheaper, larger pumps; the clause is what justifies committing the card at all.