Rockfall Vale

This land enters tapped unless you control two or more other lands.
{T}: Add {R} or {G}.

Roiling Canopy

This land enters tapped.
Whenever a Forest you control enters, if you control at least five other Forests, target creature you control gets +3/+3 until end of turn.
{T}: Add {G}.

Room of Refuge

This land enters tapped. As it enters, choose a color.
{T}: Add one mana of the chosen color.
{5}, {T}, Sacrifice this land: Put two +1/+1 counters on target creature. Activate only as a sorcery.

Shipwreck Marsh

This land enters tapped unless you control two or more other lands.
{T}: Add {U} or {B}.

Jace

Repurposed Enforcer

Whenever this creature attacks, empower Jace X, where X is the number of creatures you control. (Put that many loyalty counters on a Jace token you control. If you don't control one, first create a blue Jace planeswalker token with "[−1]: Surveil 1" and "[−3]: Draw a card.")

Stingerquill Annex

This land enters tapped unless you control a planeswalker.
{T}: Add {B} or {R}.

Theorist's Sanctum

({T}: Add {U}.)
As this land enters, you may behold a Jace. If you don't, this land enters tapped. (To behold a Jace, choose a Jace you control or reveal a Jace card from your hand.)
{2}{U}, {T}: Empower Jace 2.

Theorix Annex

This land enters tapped unless you control a planeswalker.
{T}: Add {U} or {B}.

Transformative Commons

This land enters tapped unless you control a planeswalker.
{T}: Add {G} or {U}.

Vigorbloom Annex

This land enters tapped unless you control a planeswalker.
{T}: Add {G} or {W}.

Ajani Resolute

Ajani's Pridemate

Ajani Resolute Emblem

Whenever you gain life, put a loyalty counter on Ajani.
0: You gain 1 life.
−4: Create a 2/2 white Cat Soldier creature token named Ajani's Pridemate with "Whenever you gain life, put a +1/+1 counter on this token."
−10: You get an emblem with "Creatures you control get +2/+2."

Danitha, Sword of Hope

First strike
Whenever you cast an Equipment spell or a spell that targets a creature you control, draw a card. This ability triggers only once each turn.

Ghalta the Immovable

This spell costs {X} less to cast, where X is the greatest toughness among creatures you control.
Creatures you control can attack as though they didn't have defender.
Each creature you control with toughness greater than its power assigns combat damage equal to its toughness rather than its power.

Gideon's Memorial

Creature tokens you control get +1/+0 and have vigilance.
{T}: Add one mana of any color. Spend this mana only to cast a planeswalker spell.
{1}{W}, Discard this card: It deals 4 damage to target attacking or blocking creature.

Koth of the Homestead

Landfall — Whenever a land you control enters, you gain 1 life.
Whenever a Plains you control enters, put a +1/+1 counter on target creature.

Academic Ascent

Target creature gets +2/+2 and gains flying until end of turn.
Empower Jace 2. (Put two loyalty counters on a Jace token you control. If you don't control one, first create a blue Jace planeswalker token with "[−1]: Surveil 1" and "[−3]: Draw a card.")

Reality Fracture