Candlelight Vigil

The vigilance is the line doing the heavy lifting, not the +3/+2. Combat Auras have always lived or died on a single question: does the enchanted creature have to choose between attacking and holding the ground behind it? Bolting on vigilance answers that before it can be asked, so the buffed body governs both halves of the turn, swinging in and still guarding the red zone. The stat bump turns a two-mana attacker into a threat that trades up in combat; the keyword is what makes it a threat the opponent cannot simply race around. Against that upside sits the cost every Aura pays and none can dodge: card disadvantage the instant a removal spell shows up. Point one piece of interaction at the enchanted creature and you have spent two cards to their one, with nothing left behind. That structural fragility is precisely why an effect this generous stays common-rarity and color-anchored to white's aggressive decks, where the plan is to apply pressure faster than the opponent can afford to trade resources one-for-one. In a deck built to keep the board tilted forward, a vigilant beater that attacks without surrendering the block is exactly the tempo a curve-out wants to close on; in a deck that ever has to play from behind, it is a liability waiting for a two-mana answer.