Merciless Enforcers

Lifelink
{3}{B}: This creature deals 1 damage to each opponent.

Mob Lookout

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.)

Inner Demons Gangsters

Discard a card: This creature gets +1/+0 and gains menace until end of turn. Activate only as a sorcery. (It can't be blocked except by two or more creatures.)

Doc Ock, Sinister Scientist

As long as there are eight or more cards in your graveyard, Doc Ock has base power and toughness 8/8.
As long as you control another Villain, Doc Ock has hexproof. (He can't be the target of spells or abilities your opponents control.)

Beetle, Legacy Criminal

Flying
{1}{U}, Exile this card from your graveyard: Put a +1/+1 counter on target creature. It gains flying until end of turn. Activate only as a sorcery.

Morbius the Living Vampire

Flying, vigilance, lifelink
{U}{B}, Exile this card from your graveyard: Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Don't Have

Doctor Octopus, Master Planner

Other Villains you control get +2/+2.
Your maximum hand size is eight.
At the beginning of your end step, if you have fewer than eight cards in hand, draw cards equal to the difference.

Grendel, Spawn of Knull

Flying (This creature can't be blocked except by creatures with flying or reach.)
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Morlun, Devourer of Spiders

Lifelink
Morlun enters with X +1/+1 counters on him.
When Morlun enters, he deals X damage to target opponent.

Black Cat, Cunning Thief

When Black Cat enters, look at the top nine cards of target opponent's library, exile two of them face down, then put the rest on the bottom of their library in a random order. You may play the exiled cards for as long as they remain exiled. Mana of any type can be spent to cast spells this way.

Spider-Slayer, Hatred Honed

Whenever Spider-Slayer deals damage to a Spider, destroy that creature.
{6}, Exile this card from your graveyard: Create two tapped 1/1 colorless Robot artifact creature tokens with flying.

Tombstone, Career Criminal

When Tombstone enters, return target Villain card from your graveyard to your hand.
Villain spells you cast cost {1} less to cast.

Vulture, Scheming Scavenger

Flying
Whenever Vulture attacks, other Villains you control gain flying until end of turn.

Symbiote Spawn

When this creature dies, each opponent loses 2 life and you gain 2 life.

Venom, Eddie Brock

Menace (This creature can't be blocked except by two or more creatures.)
Whenever another creature dies, put a +1/+1 counter on Venom. If that creature was a Villain, draw a card.

Flying Octobot

Flying
Whenever another Villain you control enters, put a +1/+1 counter on this creature. This ability triggers only once each turn.

Scorpion, Seething Striker

Deathtouch
At the beginning of your end step, if a creature died this turn, 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.)

Mechanical Mobster

When this creature enters, exile up to one target card from a graveyard. 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.)

Venom, Evil Unleashed

Deathtouch
{2}{B}, Exile this card from your graveyard: Put two +1/+1 counters on target creature. It gains deathtouch until end of turn. Activate only as a sorcery.