Deepcavern Scyllia enters with X +1/+1 counters on it.
You may cast Deepcavern Scyllia from your graveyard by paying {3}{G} and exiling X other permanent cards from your graveyard rather than paying its mana cost.

When Demolition Team enters, teach target creature trample. If you put a +1/+1 counter on it this way, it must be blocked this turn if able.

Desolate Soundvein enters tapped.
When Desolate Soundvein enters, you may pay 1 life. If you do, add one mana of any color other than black.
{T}: Add {B}.

When Diago Maldovo enters, you may search your library for a card named Marie Laurent or Hans Nehmann and reveal that card. If you do, shuffle, then put the card on top of it.
Legendary Allies you control have trample.

{T}: Add three mana of different colors.

Whenever Disciple of the Weavers attacks, if you control another creature with power 4 or greater, Disciple of the Weavers can't be blocked by creatures with power 2 or less.
Whenever Disciple of the Weavers deals combat damage to a player, put a +1/+1 counter on it.

Activated abilities of other artifacts and enchantments with mana value 3 or less can't be activated.
{1}, Sacrifice Disestablishmentarianism: Exile target artifact or enchantment.

Add {W}{U}{B}{R}.

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.

Whenever you attack, put a beat counter on Double-Time Drums, then equipped creature gets +2/+1 until end of turn for each counter on Double-Time Drums.
At the beginning of your end step, if you didn't attack this turn, remove all beat counters from Double-Time Drums.
Equip {2}

Create a 4/4 red Dragon creature token with flying.
{R}, Discard Draconic Beckoning: It deals 1 damage to any target.

Drizzling Cloister enters 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.

When Dryad of the Keen-Eyed enters, 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.

Solidarity
Edgeland Battlefury must be blocked if able, and it must be blocked by two or more creatures if able.

Edgeland Market enters tapped unless you control a basic non-Mountain land.
{T}: Add {R}.
{2}{R}, {T}: Create a 0/1 white Goat creature token.

Create a Solidarity token. When you do, pay for and choose any number.
+{R} — Edgeland Pledge deals 2 damage to any target.
+{U} — Tap up to three target creatures.
+{G} — Create a 1/1 red Soldier creature token. It gains haste until end of turn.

Haste
Whenever you cast a spell that targets Efimia of the Horse, create a 1/1 white Human creature token if this is the first time this ability has resolved this turn. If it's the second time, creatures you control get +1/+0 and gain haste until end of turn. If it's the third time, creatures you control gain menace until end of turn.

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, it deals 2 damage to target player or planeswalker.
Wander {5}{R}

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

Choose one —
• Elektes's Charge deals 2 damage to each creature that's not enchanted.
• Up to two target creatures you control each get +2/+0 and gain trample until end of turn.

Elephant of the Golden Palace enters with your choice of a lifelink counter or an indestructible counter on it if {W} was spent to cast it. The same is true for flying or ward {2} and {U}, deathtouch or menace and {B}, haste or double strike and {R}, and vigilance or trample and {G}.

Whenever you amp it up, target creature can't block this turn.

Exile the top four cards of your library. You may play them until you play a card not exiled this way.