Olle Rade and I used to play so much Vintage with each other at Pro Tours, and both of us were fond of Fastbond, particularly when the printing of Wasteland made the format into a giant joke
I would still bring it in against Lands but I would find Surgical Extraction to be a little better at devastating your opponents plans
Dark Rebellion Xyz Dragon can also easily turn the course of a duel around with its effect, halving the Attack Points of an opponent's monsters and then gaining those points for itself
What affects the value of Rough Seas
Once per turn, when your opponent activates a Spell/Trap Card (Quick Effect): You can destroy 1 Dinosaur monster in your hand or face-up on your field, and if you do, negate the activation, and if you do that, destroy that card
(2025-06-06) If you gain an amount of life "for each" of something or "equal to the number" of something, that life is gained as one event and Aerith Gainsborough's second ability triggers only once