Beseech the Queen

({2/B} can be paid with any two mana or with {B}. This card's mana value is 6.)
Search your library for a card with mana value less than or equal to the number of lands you control, reveal it, put it into your hand, then shuffle.

Dash Hopes

When you cast this spell, any player may pay 5 life. If a player does, counter Dash Hopes.
Counter target spell.

Murder

Heartless Summoning

Creature spells you cast cost {2} less to cast.
Creatures you control get -1/-1.

Liliana Vess

+1: Target player discards a card.
−2: Search your library for a card, then shuffle and put that card on top.
−8: Put all creature cards from all graveyards onto the battlefield under your control.

Gravebreaker Lamia

Lifelink
When Gravebreaker Lamia enters the battlefield, search your library for a card, put it into your graveyard, then shuffle.
Spells you cast from your graveyard cost {1} less to cast.

Swamp

Doom Blade

Duress

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

Final Parting

Search your library for two cards. Put one into your hand and the other into your graveyard. Then shuffle.

Altar of the Brood

Whenever another permanent enters the battlefield under your control, each opponent mills a card.

Myr Retriever

When Myr Retriever dies, return another target artifact card from your graveyard to your hand.