Impostor Syndrome

When Anti-Venom enters, if he was cast, return target creature card from your graveyard to the battlefield. If damage would be dealt to Anti-Venom, prevent that damage and put that many +1/+1 counters on him.

Web-slinging W (You may cast this spell for W if you also return a tapped creature you control to its owner's hand.) As Arachne enters, look at an opponent's hand, then choose a card type other than creature. Spells of the chosen type cost 1 more to cast.

Enchant land When this Aura enters, create three 1/1 green and white Human Citizen creature tokens. Enchanted land has "1, T: Target creature gets +1/+1 until end of turn for each creature you control. Activate only as a sorcery."

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Create a 2/1 green Spider creature token with reach. II — Put a +1/+1 counter on target creature you control. It becomes a legendary Spider Hero in addition to its other types. III — Target creature you control gains double strike until end of turn.

When Peter Parker enters, create a 2/1 green Spider creature token with reach. 1GWU: Transform Peter Parker. Activate only as a sorcery.

At the beginning of your end step, you may tap two untapped creatures and/or Treasures you control. If you do, draw a card. Otherwise, sacrifice this enchantment.

Flash 1: Spectacular Spider-Man gains flying until end of turn. 1, Sacrifice Spectacular Spider-Man: Creatures you control gain hexproof and indestructible until end of turn.

Enchant creature you control Enchanted creature gets +2/+2 for each Aura and Equipment attached to it. All damage that would be dealt to you is dealt to enchanted creature instead.