Spider-Woman, Secret Agent

Flash
When Spider-Woman enters, tap target creature an opponent controls. That creature can't become untapped for as long as you control Spider-Woman.

Monica Rambeau

Flying, prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
{2}{R}{W}{W}: Transform Monica Rambeau. Activate only as a sorcery.

. . . her power beyond anyone's wildest dreams.

Photon, Living Light

Flying, hexproof, prowess
Whenever you cast a noncreature spell, put a +1/+1 counter on each other creature you control.

Monica Rambeau // Photon, Living Light

Storm, Windrider

Flying
Creatures with flying can't attack you or block creatures you control.
Whenever you cast a spell that targets one or more creatures, those creatures gain flying until end of turn.

The Super Hero Civil War

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Gain control of up to two target creatures with total mana value 6 or less for as long as this Saga remains on the battlefield.
II — Creatures you control get +1/+1 and gain vigilance until end of turn.
III — Target creature you control fights up to one other target creature.

Taskmaster, Mercenary Mimic

Photographic Reflexes — At the beginning of your first main phase, until your next turn, Taskmaster becomes a copy of up to one target creature on the battlefield or creature card in a graveyard, except his name is Taskmaster, Mercenary Mimic and he's a legendary Human Mercenary Villain creature.

Thanos, the Mad Titan

Deathtouch, lifelink
Power-up — {C}{W}{U}{B}{R}{G}: Put two +1/+1 counters on Thanos. Choose odd or even. Destroy each other creature with mana value of the chosen quality. (Activate each power-up ability only once. Reduce the cost by his mana cost if he entered this turn. Zero is even.)

Thor Odinson

Flying, vigilance, prowess, prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn twice.)

Titania, Rugged Rumbler

As an additional cost to cast this spell, discard a card or pay {2}.
Ward—Discard a card or pay {2}. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player discards a card or pays {2}.)

U.S.Agent, John Walker

Sturdy Shield

When U.S.Agent enters, create a colorless Equipment artifact token named Sturdy Shield with "Equipped creature gets +1/+2" and equip {2}. Attach it to U.S.Agent.

Vision Quest

Search your library and/or graveyard for an artifact creature card with mana value X or less and put it onto the battlefield with X additional +1/+1 counters on it. If X is 4 or greater, it gains haste until end of turn. If you search your library this way, shuffle.

War Machine, Legacy of Iron

Flying
At the beginning of combat on your turn, another target creature you control gets +X/+0 until end of turn, where X is War Machine's power.

Winter Soldier, Icy Assassin

Vigilance, menace
Winter Soldier gets +2/+0 for each Equipment attached to him.
{3}{W}{B}: Return this card from your graveyard to the battlefield with a finality counter on him. Then you may attach an Equipment you control to him. (If a creature with a finality counter on it would die, exile it instead.)

Murdock's Crusade

Teamwork 4 (As an additional cost to cast this spell, you may tap any number of creatures you control with total power 4 or more.)
Choose one. If this spell was cast using teamwork, choose both instead.
• Street Justice — Exile target creature with toughness 4 or greater.
• Legal Justice — Exile target enchantment with mana value 4 or greater.

Wolverine, Fierce Fighter

Haste
When Wolverine enters, he fights up to one other target creature.
If damage would be dealt to Wolverine, instead that damage is dealt, but all other damage already dealt to him is healed.

Worlds Within Worlds

Exile all creatures. Each player may put any number of creature cards from their hand onto the battlefield. Then put all cards exiled this way into their owners' hands. Exile Worlds Within Worlds.

A.I.M. Synthoids

When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Marvel Super Heroes