Dissension

Sacrifice Seal of Doom: Destroy target nonblack creature. It can't be regenerated.

{T}, Pay 1 life: Add one mana of any color.

Whenever Jagged Poppet is dealt damage, discard that many cards. Hellbent — Whenever Jagged Poppet deals combat damage to a player, if you have no ...

Target player discards their hand.

{T}, Pay 1 life: Add one mana of any color.

Defender (This creature can't attack.) {B}: Slithering Shade gets +1/+1 until end of turn. Hellbent — Slithering Shade can attack as though it didn...

Hellbent — When Slaughterhouse Bouncer dies, if you have no cards in hand, target creature gets -3/-3 until end of turn.

{2}{B}, Discard a card: Target opponent loses 1 life and you gain 1 life. Hellbent — {1}, Pay 2 life: Draw a card. Activate this ability only if yo...

Until end of turn, all creatures become black and all lands become Swamps.

Enchant creature Whenever enchanted creature attacks or blocks, its controller loses 3 life. {1}{R}: Enchanted creature attacks this turn if able.

Return up to two target creature cards from your graveyard to your hand, then discard a card.

{B}, Sacrifice Entropic Eidolon: Target player loses 1 life and you gain 1 life. Whenever you cast a multicolored spell, you may return Entropic Ei...

Protection from multicolored

When Drekavac enters the battlefield, sacrifice it unless you discard a noncreature card.

Flying Hellbent — Demon's Jester gets +2/+1 as long as you have no cards in hand.

Each player discards three cards.

Double strike When Crypt Champion enters the battlefield, each player puts a creature card with converted mana cost 3 or less from their graveyard ...

Choose a nonland card name. Target player reveals their hand. That player discards a card with that name. If they can't, you draw a card.

Return target creature card from a graveyard and target creature on the battlefield to their owners' hands.

Sacrifice a creature. Return up to X cards from your graveyard to your hand, where X is the number of colors that creature was. Exile this card.

({B/R} can be paid with either {B} or {R}.) Enchant creature Enchanted creature gets +2/-1.

({B/R} can be paid with either {B} or {R}.) {3}{B}, Discard a card: Target creature gets -2/-2 until end of turn. {3}{R}: Create a 2/1 red Goblin c...

({B/R} can be paid with either {B} or {R}.) Flying When Avatar of Discord enters the battlefield, sacrifice it unless you discard two cards.

Destroy target creature or land.