Amazing Spider-Girl

Web-slinging reframes what a discount actually costs. Cast for full value, you get a 5/4 flier with vigilance, a serviceable curve-topper. The reduced line asks a sharper question: return a tapped creature you control to hand, and the two-mana rebate follows. Because the requirement is specifically a tapped creature, the mechanic rewards boards that have already committed: something that swung this turn, or tapped for mana, or activated an ability, has usually spent its usefulness for the turn already. Bouncing it recovers an enters-the-battlefield trigger you can reuse or a mana investment you would otherwise have stranded on the battlefield. That is the tension worth noticing. The alternative cost is not a shortcut for greedy openers so much as a payoff for aggressive turns that were happening regardless, converting tempo you already spent into mana you save on the way down. Vigilance matters as an accounting detail rather than as protection: once this lands, it can attack and still hold back to block, so it never becomes the tapped creature a future web-slinging cast wants to cash in. It stays a fixture on the board instead of feeding the engine. The flavor sits cleanly on the frame, too: the return-to-hand clause is the swing-away made literal, the reduced cost the momentum carried into the next web-line.