Whenever Black Panther is dealt damage, he deals that much damage to any other target.
Power-up — : Put two +1/+1 counters on Black Panther. Other creatures you control get +2/+2 until end of turn.

Whenever another nontoken Hero you control enters, choose one —
• Create a 1/1 white Soldier creature token.
• Creatures you control get +1/+1 until end of turn.

First strike
Survey the Realm — Whenever Black Panther or another creature you control enters, put a +1/+1 counter on target land you control.
Mine Vibranium — : Move all +1/+1 counters from target land you control onto target creature. If one or more +1/+1 counters are moved this way, you gain that much life and draw a card.

: Regenerate target Treefolk.

Enchant creature
Enchanted creature can't be blocked by black creatures.
Enchanted creature gets +2/+2 as long as an opponent controls a black permanent.

: Add . If you control another Mutant, you gain 1 life.

As this artifact enters, choose an opponent.
At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X is the number of cards in their hand minus 4.

Flying, deathtouch
Whenever you cast a noncreature spell, Black Waltz No. 3 deals 2 damage to each opponent.

Enchant creature
Enchanted creature has protection from black. This effect doesn't remove this Aura.

Menace
Whenever an opponent draws their second card each turn, put a +1/+1 counter on Black Widow and you draw a card.

Menace
When Black Widow enters, mill three cards.
Whenever Black Widow deals combat damage to a player, each opponent loses life equal to the number of creature cards in your graveyard.

Deathtouch
Whenever a creature you control with deathtouch deals combat damage to a player, you draw a card and lose 1 life.

Deathtouch
Whenever a creature you control attacks alone, it gains first strike and menace until end of turn.

First strike
Whenever Black Widow deals combat damage to an opponent, you and that player each draw two cards.

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.

Equipped creature gets +1/+1 for each land you control.
Equip legendary creature
Equip

This land enters tapped.
: Add .

Menace
This creature gets +3/+0 as long as an opponent has eight or more cards in their graveyard.

This land enters tapped unless you control two or fewer other lands.
: Add or .

Haste
Infect

: Tear Blacker Lotus into pieces. Add four mana of any one color. Remove the pieces from the game.

Flash
When this creature enters, target Knight gains deathtouch and lifelink until end of turn.

Target player reveals three cards from their hand and you choose one of them. That player discards that card.

Target permanent gains hexproof and indestructible until end of turn. If it's an artifact creature, it gets +2/+2 until end of turn.

(Gain the next level as a sorcery to add its ability.)
When this Class enters, create a colorless Equipment artifact token named Sword with "Equipped creature gets +1/+1" and equip .
: Level 2
At the beginning of combat on your turn, attach target Equipment you control to up to one target creature you control.
: Level 3
During your turn, equipped creatures you control have double strike and haste.