Spider-Verse is a mythic Enchantment card from Marvel's Spider-Man Promos (PSPM), collector number 93s. Current market price: — (foil $3.22), TCGplayer market prices via Scryfall.
The "legend rule" doesn't apply to Spiders you control. Whenever you cast a spell from anywhere other than your hand, you may copy it. If you do, you may choose new targets for the copy. If the copy is a permanent spell, it gains haste. Do this only once each turn.