Myr Retriever

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

Heartless Summoning

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

Altar of the Brood

Whenever another permanent you control enters, each opponent mills a card.

Geth's Verdict

Target player sacrifices a creature of their choice and loses 1 life.

Swamp

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.

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