Theros!

Memory of Kytheon
Enchantment
Whenever a nonenchantment creature you control dies while blocking, create a 1/1 white Spirit enchantment creature token.
Heroism has to mean something beyond recognition of the gods.

Alluring Nymph
⬤ Enchantment Creature — Naiad (R)
Bestow (If you cast this card for its bestow cost, it’s an Aura spell with enchant creature. It becomes a creature again if it’s not attached to a creature.)
Enchanted creature gets -2/-0 and attacks you each turn if able.
3/4

Punish Hubris
Sorcery
Target opponent chooses the creature they control with the most Auras attached to it or is tied for the most Auras attached to it. Exile that creature and all Auras attached to it.

Defy Fate

Instant (U)
Target creature you control gets +4/+0 until end of turn. Destroy all Auras you don't control that are attached to it.
"I'll no longer play by the gods' rules!"

Root Speaker —
Enchantment Creature — Dryad (R)
When you draw your first card each turn, you may reveal it. If you do and it’s a land card, put it onto the battlefield tapped and draw another card.
2/2

Karametra's Seeding
Enchantment — Aura
Enchant up to three creatures (This spell targets up to three creatures. It enters the battlefield attached to each of them and is put into the graveyard when it's attached to none.)
Enchanted creature gets +1/+1.
When Karametra's Seeding is put into a graveyard from the battlefield, create three 1/1 green Nymph enchantment creature tokens.

Godless Nymph —
Enchantment Creature — Spirit (R)
Godless Nymph’s base power and toughness are each equal to your devotion to generic. (Each generic mana symbol in the mana costs of permanents you control counts towards your devotion to generic.)
*/*

Ethereal Gateway
Land (U)
: Produce .
: Produce one mana of any color. Spend this mana only to bestow a spell.



Tarkir is next!

Stormswept Wanderer
Creature — Bird Warrior
Flying
Whenever you cast a noncreature spell, bolster 1.
"Dromoka gives me camaraderie and Ojutai gives me vision. But I want to see and decide for myself, feel the desert wind under my wings."
1/2

Rakshasa Augury —
Enchantment (R)
Exploit (When this card enters the battlefield, you may sacrifice a creature.)
Whenever you exploit a creature, look at the top X cards of your library, where X is the sacrificed creature's toughness, put one of them into your hand, and put the rest on the bottom in any order.

Deathsong Wanderer
Creature — Human Shaman
Exploit
When Deathsong Wanderer enters the battlefield, create a 1/1 white Spirit creature token for each creature that died this turn.
"Whether Silumgar or Kolaghan, there is only madness. I know my arts can be used for more than this. Death without wisdom or life is simply void."
2/1

Formation Breaker

Creature -- Goblin Berserker (U)
When Formation Breaker enters the battlefield, creatures you control get +2/+0 until end of turn.
Dash
2/2

Sandscale Abolutist
Creature — Dragon
Flying
Whenever Sandscale Absolutist attacks or an opponent casts a spell during your turn, exile target card from a graveyard. If it's a creature card, bolster 1.
"Purify the land. Let the necromancers join their beloved forever."
4/4

Inner Harmony

Sorcery (R)
Draw four cards, then discard cards until you have exactly four cards in hand.
"The world is a storm. Be its eye."

Ugin Dragonstorm
Legendary Planeswalker — Ugin
Whenever a player casts a colorless spell, that player creates a red 4/4 Dragon creature token with flying.
: Manifest up to one card in your hand.
: Until end of turn, colorless creatures you control get +2/+2 and gain flying until end of turn.
: You get an emblem with "Whenever you cast a spell, create a red 4/4 Dragon creature token with flying."

Nomad’s Camp
Land (R)
: Add
Raid — : Add , or . Activate this ability only if you attacked this turn.


Kaladesh is next.

Marketground Monitor
Artifact Creature — Construct Soldier
Whenever an artifact enters the battlefield under an opponent's control, if it wasn't cast, draw a card.
"The aetheric output of this item exceeds regulation. Please hold while the gearhulk arrives. Have a nice day."
1/3

Thirst for Power —
Instant (U)
Draw three cards, then discard two cards unless you pay . If you do, discard one card.

Jolt to Life

Instant (U)
Choose target creature card in your graveyard. You may pay . If you do, return that card to the battlefield. Otherwise, return it your hand.

Inventor's Insight
Sorcery
Exile the top four cards on your library. You may cast artifact cards from among them this turn.
"If the Consulate had their way, we would have to requisition up to one idea and receive a permit for it after three to five weeks." — Ajuna, rebel