
Peter Parker | Legendary Creature | Human Scientist Hero | When Peter Parker enters, create a 2/1 green Spider creature token with reach.
{1}{G}{W}{U}: Transform Peter Parker. Activate only as a sorcery. | Chris Mangum

Hydro-Man, Fluid Felon | Legendary Creature | Elemental Villain | Whenever you cast a blue spell, if Hydro-Man is a creature, he gets +1/+1 until end of turn.
At the beginning of your end step, untap Hydro-Man. Until your next turn, he becomes a land and gains "{T}: Add {U}." (He's not a creature during that time.) | David Palumbo

Spider-Sense | Instant | | Web-slinging {U} (You may cast this spell for {U} if you also return a tapped creature you control to its owner's hand.)
Counter target instant spell, sorcery spell, or triggered ability. | Diana Franco

Norman Osborn | Legendary Creature | Human Scientist Villain | Norman Osborn can't be blocked.
Whenever Norman Osborn deals combat damage to a player, he connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)
{1}{U}{B}{R}: Transform Norman Osborn. Activate only as a sorcery. | Nicholas Gregory

Spider-Man No More | Enchantment | Aura | Enchant creature
Enchanted creature is a Citizen with base power and toughness 1/1. It has defender and loses all other abilities. (It also loses all other creature types.) | Julia Metzger

Mysterio's Phantasm | Creature | Illusion Villain | Flying, vigilance
Whenever this creature attacks, mill a card. (Put the top card of your library into your graveyard.) | Igor Krstic

Whoosh! | Instant | | Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.)
Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card. | Maxime Minard

Unstable Experiment | Instant | | Target player draws a card, then up to one target creature you control connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.) | Adrián Rodríguez Pérez

Flying Octobot | Artifact Creature | Robot Villain | Flying
Whenever another Villain you control enters, put a +1/+1 counter on this creature. This ability triggers only once each turn. | Jonathan Wayshak

Gwen Stacy | Legendary Creature | Human Performer Hero | When Gwen Stacy enters, exile the top card of your library. You may play that card for as long as you control this creature.
{2}{U}{R}{W}: Transform Gwen Stacy. Activate only as a sorcery. | Jakob Eirich

Spider-Woman, Stunning Savior | Legendary Creature | Spider Human Hero | Flying
Venom Blast — Artifacts and creatures your opponents control enter tapped. | Mirko Failoni

Skyward Spider | Creature | Spider Human Hero | Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
This creature has flying as long as it's modified. (Equipment, Auras you control, and counters are modifications.) | Eelis Kyttanen

Mob Lookout | Creature | Human Rogue Villain | When this creature enters, target creature you control connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.) | Francisco Badilla

Spider-Man 2099 | Legendary Creature | Spider Human Hero | From the Future — You can't cast Spider-Man 2099 during your first, second, or third turns of the game.
Double strike, vigilance
At the beginning of your end step, if you've played a land or cast a spell this turn from anywhere other than your hand, Spider-Man 2099 deals damage equal to his power to any target. | Slawomir Maniak

Jackal, Genius Geneticist | Legendary Creature | Human Scientist Villain | Trample
Whenever you cast a creature spell with mana value equal to Jackal's power, copy that spell, except the copy isn't legendary. Then put a +1/+1 counter on Jackal. (The copy becomes a token.) | Arif Wijaya