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

{T}, Pay 1 life: Add {B} or {R}.
{1}, {T}, Sacrifice Dormant Altar: Draw a card. Activate only if you control five or more lands.

{T}, Pay 1 life: Add {U} or {R}.
{1}, {T}, Sacrifice Dormant Bay: Draw a card. Activate only if you control five or more lands.

{T}, Pay 1 life: Add {U} or {B}.
{1}, {T}, Sacrifice Dormant Cavern: Draw a card. Activate only if you control five or more lands.

{T}, Pay 1 life: Add {G} or {W}.
{1}, {T}, Sacrifice Dormant Clearing: Draw a card. Activate only if you control five or more lands.

{T}, Pay 1 life: Add {G} or {U}.
{1}, {T}, Sacrifice Dormant Copse: Draw a card. Activate only if you control five or more lands.

{T}, Pay 1 life: Add {R} or {W}.
{1}, {T}, Sacrifice Dormant Crag: Draw a card. Activate only if you control five or more lands.

{T}, Pay 1 life: Add {B} or {G}.
{1}, {T}, Sacrifice Dormant Moorland: Draw a card. Activate only if you control five or more lands.

{T}, Pay 1 life: Add {R} or {G}.
{1}, {T}, Sacrifice Dormant Peak: Draw a card. Activate only if you control five or more lands.

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.

{T}, Pay 1 life: Add {W} or {U}.
{1}, {T}, Sacrifice Dormant Stream: Draw a card. Activate only if you control five or more lands.

{T}, Pay 1 life: Add {W} or {B}.
{1}, {T}, Sacrifice Dormant Temple: Draw a card. Activate only if you control five or more lands.

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.

{2}, {T}: Draw a card. You lose 2 life unless you discard a card or sacrifice a permanent.

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.

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.

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
Ward—Pay 2 life.
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 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.