You seem to be having a good time
Once per turn, during either player's turn, when your opponent activates a Spell/Trap Card: You can negate the activation and destroy it, and if you do, this card gains 500 ATK until the End Phase
Its only gotten stronger over the years, with cards like Generous Ent to help smooth out the mana and keep the deck consistent
Fix the card information First, confirm the year, set, card number, rarity, and promo name
For the extra curious out there, 1pt is equal to 0.001" or 0.0254mm - confusing, we know
Many decks have opted for the likes of Flawless Maneuver, Boros Charm and Heroic Intervention instead, because reacting to removal is just better than baiting it out