Return target creature to its owner's hand. If you've amped it up this turn, that player puts it on top or bottom of their library instead.

The owner of target nonland permanent puts it on the top or bottom of their library.
{2}, Discard Dockside Curfew: Search your library for a basic Island card, reveal it, put it into your hand, then shuffle.

Mill two cards. Each opponent discards two cards and loses 2 life.

Defender
Whenever you cast an instant or sorcery spell, Dormant Slagheap loses defender until end of turn. If that spell was cast from your graveyard, put a +1/+1 counter on Dormant Slagheap.

Sacrifice another creature or Food: Downtrodden Butcher dares 4.

When Dream Catcher enters the battlefield, return target exiled card with flashback you own to your hand.

Return any number of target creature cards with total mana value 6 or less from your graveyard to your hand.

{T}: Integrate the top card of target player's library.
{B}, Sacrifice Dregstreet Inquisitor: Target player loses life equal to the number of cards integrated onto Dregstreet Inquisitor.

Drizzling Cloister enters the battlefield tapped.
{T}: Add {G} or {U}.
{T}, Discard another card named Drizzling Cloister: Draw a card.

Create two 1/1 colorless Thopter artifact creature tokens with flying, then each Thopter you control deals 1 damage to each opponent.

Deathtouch
When Drudge Dredger enters the battlefield, mill three cards.

When Dryad of the Keen-Eyed enters the battlefield, search your library for a basic Forest card, reveal it, and put it into your hand. If your devotion to green is three or greater, put it onto the battlefield tapped instead.

As an additional cost to cast this spell, sacrifice a creature or exile two permanent cards from your graveyard.
Draw two cards.

Scry 1, then draw a card. If you control a Kraken, Leviathan, Octopus, or Serpent, instead scry 3, then draw a card.

When Eidolon of Empty Thoughts dies, create a Treasure token.
{6}: Create a 2/1 red Soldier creature token. Activate only as a sorcery and only if your devotion to red is three or more.

When Elderflame Pilgrims enters the battlefield, it deals 2 damage to target player or planeswalker.
Wander {5}{R}

When Electromagnetic Geode enters the battlefield, draw a card.
{2}, {T}, Sacrifice Electromagnetic Geode: Add two mana of different colors.

Exile target creature you control, then return that card to the battlefield under your control with an additional +1/+1 counter on it.

When Eltensian Herbalist enters the battlefield, you gain 4 life.

When Elvish Rejuvenator enters the battlefield, look at the top five cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest on the bottom of your library in a random order.

When Elvish Visionary enters the battlefield, draw a card.

Discard up to two cards, then draw that many cards. If you discarded two cards that share a type this way, draw a card.

{1}{U}, {T}, Sacrifice Emulation Expert: Gain control of target creature you don't control with mana value 3 or less. Its owner creates a tapped token that's a copy of it. Activate only as a sorcery.

Target creature gains protection from the color of your choice until end of turn. Scry 1.

Vigilance
At the beginning of combat on your turn, if you've spent at least five mana to cast spells this turn, put a +1/+1 counter on Encampment Sentinel.