Bruce Banner

{X}{X}, {T}: Draw X cards. Activate only as a sorcery.
{2}{R}{R}{G}{G}: Transform Bruce Banner. Activate only as a sorcery.

The Incredible Hulk

Reach, trample
Enrage — Whenever The Incredible Hulk is dealt damage, put a +1/+1 counter on him. If he's attacking, untap him and there is an additional combat phase after this phase.

Bruce Banner // The Incredible Hulk

S.H.I.E.L.D. Spy Kit

Equipped creature gets +1/+1.
Whenever equipped creature attacks alone, untap it and scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Ironheart, Clever Champion

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Flying
Noncreature spells you cast have improvise.

Ms. Marvel, Kamala Khan

Vigilance, reach
You have no maximum hand size.
Embiggen Fist — Whenever you cast a spell that targets a creature you control, draw a card. Until end of turn, Ms. Marvel gains "Ms. Marvel's base power is equal to the number of cards in your hand."

Merfolk

Namor the Sub-Mariner

Flying
Namor's power is equal to the number of Merfolk you control.
Whenever you cast a noncreature spell with one or more blue mana symbols in its mana cost, create that many 1/1 blue Merfolk creature tokens.

Tony Stark

{1}, {T}: Look at the top four cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
{4}{U}{R}: Transform Tony Stark. Activate only as a sorcery.

The Invincible Iron Man

Flying, haste
At the beginning of combat on your turn, you may put an artifact card from your hand onto the battlefield. If it's an Equipment, attach it to The Invincible Iron Man.

Tony Stark // The Invincible Iron Man

Black Widow, Super Spy

Menace
Whenever Black Widow deals combat damage to a player, that player exiles cards from the top of their library until they exile a nonland card. You may put a +1/+1 counter on Black Widow. If you don't, you may cast the exiled nonland card until end of turn and mana of any type can be spent to cast that spell.

Doombot

Doctor Doom

When Doctor Doom enters, create two 3/3 colorless Robot Villain artifact creature tokens named Doombot.
As long as you control an artifact creature or a Plan, Doctor Doom has indestructible.
At the beginning of your end step, you draw a card and lose 1 life.

Elektra, Daughter of the Hand

Sneak {1}{B}{B} (You may cast this spell for {1}{B}{B} if you also return an unblocked attacker you control to hand during the declare blockers step. She enters tapped and attacking.)
When Elektra enters, destroy target creature an opponent controls with power 3 or less.

Hawkeye, Master Marksman

First strike, reach
Trick Arrows — Whenever Hawkeye becomes tapped, you may pay {1} up to three times. When you do, choose up to that many.
• Net — Target creature can't block this turn.
• Explosive — Hawkeye deals 2 damage to target player.
• Boomerang — Discard a card, then draw a card.

The Scarlet Witch

Instant and sorcery spells you cast with mana value 4 or greater cost {X} less to cast, where X is The Scarlet Witch's power.

Thor, God of Thunder

Flying
When Thor enters, exile target Equipment, instant, or sorcery card from your graveyard. Until the end of your next turn, you may play that card.
Whenever you cast a noncreature spell, Thor deals damage equal to that spell's mana value to any target.

Super Villain Lockup

Flash
When this enchantment enters, exile target tapped creature an opponent controls until this enchantment leaves the battlefield.

Shang-Chi, Master of Kung Fu

You may activate abilities of creatures you control as though those creatures had haste.
{T}: Add two mana of any one color. Spend this mana only to activate abilities of creature sources.

Squirrel

The Unbeatable Squirrel Girl

Do You Like Squirrels? — Whenever The Unbeatable Squirrel Girl enters or attacks, create a 1/1 green Squirrel creature token.
I LOVE Squirrels! — {1}{G}{G}{G}: Create X 1/1 green Squirrel creature tokens, where X is the number of Squirrels you control.

Daredevil, Man Without Fear

Vigilance, haste
Radar Sense — You may look at the top card of your library any time.
Whenever you attack, you may exile the top card of your library. If that card is a Hero card, Daredevil gets +2/+1 until end of turn. You may play that card this turn.

Marvel Super Heroes