Absorbing Man

Vigilance
At the beginning of your first main phase, until your next turn, Absorbing Man becomes a copy of up to one target artifact, non-Aura enchantment, or land, except his name is Absorbing Man, he's a legendary 4/4 Human Villain creature in addition to his other types, and he has vigilance.

Alien Invasion

Alien

At the beginning of combat on your turn, create a 1/1 red Alien creature token with haste and "This token attacks each combat if able." Put a +1/+1 counter on it for each invasion counter on this enchantment, then put an invasion counter on this enchantment.

Ares, God of War

Ares attacks each combat if able.
Whenever an attacking creature you control dies, return that card to its owner's hand.

Cloak and Dagger, Entwined

Deathtouch, lifelink
When Cloak and Dagger enter, choose target opponent and up to one target creature they control. They reveal their hand. You may exile a nonland card from their hand or the chosen creature until Cloak and Dagger leave the battlefield.

White Widow, Free Agent

When White Widow enters, choose one —
• Put a +1/+1 counter on each of up to two target creatures.
• Return target artifact or enchantment card from your graveyard to your hand.

The Mighty Thor, Jane Foster

Flying
Whenever The Mighty Thor attacks, exile up to one target nontoken artifact or creature, then return that card to the battlefield tapped under its owner's control.
Whenever an Equipment you control enters, draw a card.

Moon Girl and Devil Dinosaur

Whenever you draw your second card each turn, until end of turn, Moon Girl and Devil Dinosaur's base power and toughness become 6/6 and they gain trample.
Whenever an artifact you control enters, draw a card. This ability triggers only once each turn.

The Ruinous Wrecking Crew

The Ruinous Wrecking Crew enters with X +1/+1 counters on it.
When The Ruinous Wrecking Crew enters, choose up to X —
• Discard a card, then draw a card.
• Target opponent loses 2 life.
• Destroy target token.
• Each player sacrifices a creature of their choice.

Scientist Supreme of A.I.M.

Pay 2 life: Copy target activated or triggered ability you control from an artifact source. You may choose new targets for the copy. Activate only during your turn and only once each turn. (Mana abilities can't be targeted.)

The Serpent Society

Deathtouch
Ward—Get five poison counters. (A player with ten or more poison counters loses the game.)
Whenever another creature you control with deathtouch dies, each opponent sacrifices a nontoken creature of their choice.

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.

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.

Iron Man Armor

When this Equipment enters, attach it to target creature you control.
Equipped creature gets +2/+1 and has flying.
{2}: If this Equipment isn't a creature, it becomes a 0/0 Construct Hero artifact creature with flying and "This creature gets +1/+1 for each artifact you control" until end of turn.
Equip {2}

Super-Adaptoid

Super-Adaptoid's power is equal to the number of legendary creatures you control.
Whenever Super-Adaptoid enters or attacks, choose another target creature. If that creature has haste and Super-Adaptoid doesn't, put a haste counter on Super-Adaptoid. Do the same for flying, first strike, double strike, deathtouch, indestructible, lifelink, menace, reach, trample, and vigilance.

Doombot

Castle Doom

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast an artifact spell.
{3}, {T}, Sacrifice an artifact: Create a 3/3 colorless Robot Villain artifact creature token named Doombot. Activate only as a sorcery.

Aerial Doombot

Flying
Power-up — {5}{U}: Put three +1/+1 counters on this creature. (Activate each power-up ability only once. Reduce the cost by its mana cost if it entered this turn.)

Marvel Super Heroes