Echoing Truth

Return target nonland permanent and all other permanents with the same name as that permanent to their owners' hands.

Dark Ritual

Scuttlemutt

{T}: Add one mana of any color.
{T}: Target creature becomes the color or colors of your choice until end of turn.

Scrapbasket

{1}: Scrapbasket becomes all colors until end of turn.

Vapor Snag

Return target creature to its owner's hand. Its controller loses 1 life.

Chainer's Edict

Target player sacrifices a creature.
Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Mind Extraction

As an additional cost to cast this spell, sacrifice a creature.
Target player reveals their hand and discards all cards of each of the sacrificed creature's colors.

Flux

Each player discards any number of cards, then draws that many cards.
Draw a card.

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Cabal Ritual

Add {B}{B}{B}.
Threshold — Add {B}{B}{B}{B}{B} instead if seven or more cards are in your graveyard.