
Arachne, Psionic Weaver | Legendary Creature | Spider Human Hero | 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. | Julia Metzger

Parker Luck | Enchantment | | At the beginning of your end step, two target players each reveal the top card of their library. They each lose life equal to the mana value of the card revealed by the other player. Then they each put the card they revealed into their hand. | Camille Alquier

The Death of Gwen Stacy | Enchantment | Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Destroy target creature.
II — Each player may discard a card. Each player who doesn't loses 3 life.
III — Exile any number of target players' graveyards. | Carlos Palma Cruchaga

Agent Venom | Legendary Creature | Symbiote Soldier Hero | Flash
Menace
Whenever another nontoken creature you control dies, you draw a card and lose 1 life. | Diana Franco

Electro, Assaulting Battery | Legendary Creature | Human Villain | Flying
You don't lose unspent red mana as steps and phases end.
Whenever you cast an instant or sorcery spell, add {R}.
When Electro leaves the battlefield, you may pay {X}. When you do, he deals X damage to target player. | Dmitry Burmak

J. Jonah Jameson | Legendary Creature | Human Citizen | When J. Jonah Jameson enters, suspect up to one target creature.
Whenever a creature you control with menace attacks, create a Treasure token. | Olivier Bernard

Sandman, Shifting Scoundrel | Legendary Creature | Sand Elemental Villain | Sandman's power and toughness are each equal to the number of lands you control.
Sandman can't be blocked by creatures with power 2 or less.
{3}{G}{G}: Return this card and target land card from your graveyard to the battlefield tapped. | Bartek Fedyczak

Araña, Heart of the Spider | Legendary Creature | Spider Human Hero | Whenever you attack, put a +1/+1 counter on target attacking creature.
Whenever a modified creature you control deals combat damage to a player, exile the top card of your library. You may play that card this turn. (Equipment, Auras you control, and counters are modifications.) | Alexander Mokhov

Symbiote Spider-Man | Legendary Creature | Symbiote Spider Hero | Whenever this creature deals combat damage to a player, look at that many cards from the top of your library. Put one of them into your hand and the rest into your graveyard.
Find New Host — {2}{U/B}, Exile this card from your graveyard: Put a +1/+1 counter on target creature you control. It gains this card's other abilities. Activate only as a sorcery. | Igor Krstic

Ultimate Green Goblin | Legendary Creature | Goblin Villain | At the beginning of your upkeep, discard a card, then create a Treasure token.
Mayhem {2}{B/R} (You may cast this card from your graveyard for {2}{B/R} if you discarded it this turn. Timing rules still apply.) | Caio Cacau

Kraven the Hunter | Legendary Creature | Human Warrior Villain | Trample
Whenever a creature an opponent controls with the greatest power among creatures that player controls dies, draw a card and put a +1/+1 counter on Kraven the Hunter. | Diego Gisbert

Scarlet Spider, Ben Reilly | Legendary Creature | Spider Human Hero | Web-slinging {R}{G} (You may cast this spell for {R}{G} if you also return a tapped creature you control to its owner's hand.)
Trample
Sensational Save — If Scarlet Spider was cast using web-slinging, he enters with X +1/+1 counters on him, where X is the mana value of the returned creature. | Alexandre Honoré

Iron Spider, Stark Upgrade | Legendary Artifact Creature | Spider Hero | Vigilance
{T}: Put a +1/+1 counter on each artifact creature and/or Vehicle you control.
{2}, Remove two +1/+1 counters from among artifacts you control: Draw a card. | Joshua Cairos

Rocket-Powered Goblin Glider | Artifact | Equipment | When this Equipment enters, if it was cast from your graveyard, attach it to target creature you control.
Equipped creature gets +2/+0 and has flying and haste.
Equip {2}
Mayhem {2} | Kev Fang