+1: Create a 2/3 blue and black Nightmare creature token with "Whenever this creature attacks or blocks, each opponent exiles the top two cards of their library."

-3: Return target nonland permanent to its owner's hand, then that player exiles a card from their hand.

-7: You may cast up to three spells from among face-up cards your opponents own from exile without paying their mana costs.

Enchant creature you control

When Aspect of Lamprey enters the battlefield, target opponent discards two cards.

Enchanted creature has lifelink.

Target creature gets -4/-0 until end of turn. Scry 2.

Exile target card from a graveyard. If it was a creature card, you gain 3 life. Otherwise, you draw a card.

Escape--{3}{B}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

When Discordant Piper dies, create a 0/1 white Goat creature token.

Flying

Enemy of Enlightenment gets -1/-1 for each card in your opponents' hands.

At the beginning of your upkeep, each player discards a card.

Exile target creature.

When Grim Physician dies, target creature an opponent controls gets -1/-1 until end of turn.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Deathtouch

When Mire Triton enters the battlefield, mill two cards and you gain 2 life.

As long as it's not your turn, spells you cast cost {1} less to cast.

As long as it's not your turn, spells you cast cost {1} less to cast.

Flash

When Omen of the Dead enters the battlefield, return target creature card from your graveyard to your hand.

{2}{B}, Sacrifice Omen of the Dead: Scry 2.

Flash

When Omen of the Sea enters the battlefield, scry 2, then draw a card.

{2}{U}, Sacrifice Omen of the Sea: Scry 2.

Choose one --

• Target opponent sacrifices a creature.

• Target opponent sacrifices an enchantment.

Flying

At the beginning of your upkeep, return up to one other target enchantment you control to its owner's hand.

Constellation -- Whenever an enchantment enters the battlefield under your control, you may draw a card. If you do, discard a card.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Temple Thief can't be blocked by enchanted creatures or enchantment creatures.

When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Draw three cards. Then discard two cards unless you discard an enchantment card.

Constellation -- Whenever an enchantment enters the battlefield under your control, Triton Waverider gains flying until end of turn.

Underworld Charger can't block.

Escape--{4}{B}, Exile three other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Underworld Charger escapes with two +1/+1 counters on it.

Deathtouch

When Venomous Hierophant enters the battlefield, mill three cards.