When Augur of Bolas enters the battlefield, look at the top three cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Draw three cards, then put two cards from your hand on top of your library in any order.

Destroy target nonlegendary creature.

Counter target spell.

Mill two cards. Draw a card.

If you control a Swamp, you may pay 4 life rather than pay this spell's mana cost. Destroy target nonblack creature. It can't be regenerated.

Counter target noncreature spell unless its controller pays {2}.

Target player mills two cards. Draw a card.

Bojuka Bog enters the battlefield tapped. When Bojuka Bog enters the battlefield, exile target player's graveyard. {T}: Add {B}.

Dimir Aqueduct enters the battlefield tapped. When Dimir Aqueduct enters the battlefield, return a land you control to its owner's hand. {T}: Add {U}{B}.

Dismal Backwater enters the battlefield tapped. When Dismal Backwater enters the battlefield, you gain 1 life. {T}: Add {U} or {B}.

({T}: Add {U}.)

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

Choose one — • Counter target red spell. • Destroy target red permanent.

Counter target instant spell.

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Return target creature to its owner's hand. Untap up to two lands.

Deathtouch When Thorn of the Black Rose enters the battlefield, you become the monarch.