Disdainful Stroke

Counter target spell with converted mana cost 4 or greater.

Watery Grave

Vraska's Contempt

2BB

Drowned Catacomb

Fungal Infection

Target creature gets -1/-1 until end of turn. Create a 1/1 green Saproling creature token.

Memorial to Folly

Memorial to Folly enters the battlefield tapped. {T}: Add {B}. {2}{B}, {T}, Sacrifice Memorial to Folly: Return target creature card from your graveyard to your hand.

Memorial to Genius

Memorial to Genius enters the battlefield tapped. {T}: Add {U}. {4}{U}, {T}, Sacrifice Memorial to Genius: Draw two cards.

Moment of Craving

Target creature gets -2/-2 until end of turn. You gain 2 life.

Negate

Counter target noncreature spell.

Duress

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

Field of Ruin

{T}: Add {C}. {2}, {T}, Sacrifice Field of Ruin: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles their library.

Island

({T}: Add {U}.)

Swamp

({T}: Add {B}.)