Makis, Beloved of Eidolon —
Legendary Enchantment Creature — Demigod (U)
Ward , where X is your devotion to white.
Whenever Makis becomes tapped, create a white Temple token. (It's an enchantment with mana cost .)
2/3

Seek the Lost Shrines
Sorcery
Create a blue Temple token. Then, draw X cards and discard two cards, where X is your devotion to blue.
The mortals of Theros believe Kruphix understand mysteries beyond their knowing, and so he does. But the mortals cannot know what they do not know, and so, Kruphix also does not know what those mysteries are.

Cacophony, Newly-Dreamt
Legendary Enchantment Creature — God
Menace
Cacophony isn't a creature as long as the total number of cards put into a graveyard from anywhere except the battlefield this turn isn't three or greater.
Whenever Cacophony, Newly-Dreamt attacks, return target creature card from defending player's graveyard to the battlefield under your control except it's an enchantment. (It isn't a creature.)
4/3

Aspect of Bravery
Creature - Incarnation
Haste, Trample
Whenever ~ becomes the target of a spell, it gets +1/+0 until end of turn.
At the beginning of the end step, shuffle ~ into your library.
[3/1]

Runner-Root Regent
Enchantment Creature — Plant Hydra
Bestow
Whenever enchanted creature attacks, put a +1/+1 counter on Runner-Root Regent.
Enchanted creature gets +1/+1 for each +1/+1 counter on Runner-Root Regent.
When enchanted creature dies, double the number of +1/+1 counters on Runner-Root Regent.
0/0

Passing Toll
Enchantment
When ~ enters the battlefield, return target creature card in your graveyard to the battlefield.
Whenever a nontoken creature dies, you may exile it. If you do, create a tapped Treasure token.
Some fleeing the underworld chose to work with Athreos, ensuring their own second chance at life in exchange for denying others the same.

Golden Mask
Artifact — Equipment
Equipped permanent has menace and ward .
Equip
Equip planeswalker
Escape—, Exile four other cards from your graveyard
When you cast Golden Mask from your graveyard, target creature or planeswalker card in your graveyard gains escape until end of turn. Its escape cost is equal to its mana cost. The next time that card enters the battlefield this turn, attach Golden Mask to that permanent.

Dryad Grove
Enchantment Land (U)
Bestow
: Add .
Enchanted land has ": Add ".



Next is Tarkir (yay!).

The Dragonlord Ends Necromancy
Enchantment — Saga
I - Each player sacrifices a creature with power 4 or greater.
II - Target creature you control gets +2/+2 and gains indestructible and vigilance until end of turn.
III - Choose one—

• Dromoka — Exile target card from a graveyard. Bolster X, where X is that card's mana value.
• Abzan — Return target creature card from your graveyard to the battlefield. Put a +1/+1 counter on that creature.

Glacial Ritual —
Instant (U)
Return target nonland permanent to its owner's hand. If was spent to cast Glacial Ritual, add , where X is its mana value.

Relentless Flayer
Creature - Demon (R)
Outlast - Mill three cards.
As long as a creature card with flying you own is in a graveyard or in exile, ~ has Flying. The same is true for first strike, double strike, deathtouch, haste, lifelink, menace, reach, trample, and vigilance.
"The Abzan at least know how to endure their struggles. A shame they don't take advantage when the roles are reversed," - Sidisi.
[2/2]

The Dragonlord Abandons The Slow
Enchantment — Saga
I - Create a 2/1 black Warrior creature token.
II - Discard up to two cards, then draw that many cards.
III - Choose one—

• Kolaghan — Whenever a creature you control attacks this turn, you may sacrifice another creature. If you do, that creature gets +2/+0 and gains first strike and trample until end of turn.
• Mardu — Whenever a creature you control attacks this turn, it gets +1/+0 for each other attacking creature until end of turn.

Ugin's Challenge —
Sorcery (U)
Target creature you control fights target creature you don't control. When the creature you don't control dies this turn, manifest it.

Ghostfire Technique
Instant
Manifest a card from your hand.
Only through the purity of soulfire, the subtlety of mistfire, and the strength of bloodfire can the purest form of magic be mastered.

Sultai Ambusher
Creature - Zombie Rogue
Deathtouch, Menace
Morph
[2/1]

I made the colorless card already, so

Laketop Stronghold
Land
Laketop Stronghold enters the battlefield tapped.
When Laketop Stronghold enters the battlefield, you may have an opponent scry 2. If you do, put a rebellion counter on Laketop Stronghold.
: Add or .
: Add . Activate this ability only if there's a rebellion counter on Laketop Stronghold.
The placid surface contains a simmering roil beneath.

Next is Kaladesh.

Collaborative Efforts
Instant (U)
Create two 1/1 white Artificer creature tokens with Fabricate 1.
Two minds are better than one.

Process Refiner
Creature — Vedalken Artificer
If you would pay two or more , you may pay one fewer instead. This ability can't reduce the payment to less than one .
1/1

I am trying to capture that many energy spenders do so on triggered abilities. The below would be a safer wording.

Process Refiner
Creature — Vedalken Artificer
Activated abilities of permanents you control cost less to activate. This effect can't reduce the in that cost to less than one .
1/1

Axel Muncher
Creature - Gremlin
Flash
When ~ enters the battlefield, destroy target artifact. If that artifact was also a creature, it deals damage equal to its power to its controller.
[2/2]

(oops skipped a color)

Tainted Aethervein
Enchantment (U)
When Tainted Aethervein enters the battlefield, you get .
Whenever you spend one or more , you may have target creature get -X/-X until end of turn, where X is the amount of spent.