Deepglow Skate

When this creature enters, double the number of each kind of counter on any number of target permanents.

Tireless Tracker

Landfall — Whenever a land you control enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")
Whenever you sacrifice a Clue, put a +1/+1 counter on this creature.

City of Brass

Whenever this land becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

Ebon Dragon

Flying
When this creature enters, you may have target opponent discard a card.

Ambition's Cost

You draw three cards and you lose 3 life.

Exalted Angel

Flying
Whenever this creature deals damage, you gain that much life.
Morph {2}{W}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Cruel Edict

Target opponent sacrifices a creature of their choice.

Dark Tutelage

At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.

Thalia, Guardian of Thraben

First strike
Noncreature spells cost {1} more to cast.

Fear

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

Fertile Ground

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color.

Pay No Heed

Prevent all damage a source of your choice would deal this turn.

Confiscate

Enchant permanent
You control enchanted permanent.

Early Harvest

Target player untaps all basic lands they control.

Wasteland

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target nonbasic land.

Unsummon

Return target creature to its owner's hand.

Phantom Warrior

Mind Stone

{T}: Add {C}.
{1}, {T}, Sacrifice this artifact: Draw a card.

Dauthi Slayer

Shadow (This creature can block or be blocked by only creatures with shadow.)
This creature attacks each combat if able.

Swords to Plowshares

Exile target creature. Its controller gains life equal to its power.

Three Visits

Search your library for a Forest card, put it onto the battlefield, then shuffle.

Sol Ring

Greater Good

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

Sword of Truth and Justice

Equipped creature gets +2/+2 and has protection from white and from blue.
Whenever equipped creature deals combat damage to a player, put a +1/+1 counter on a creature you control, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Equip {2}

Garth One-Eye

{T}: Choose a card name that hasn't been chosen from among Disenchant, Braingeyser, Terror, Shivan Dragon, Regrowth, and Black Lotus. Create a copy of the card with the chosen name. You may cast the copy. (You still pay its costs.)

Archivist

Dark Banishing

Destroy target nonblack creature. It can't be regenerated.

Tidings

Air Elemental

Naturalize

Zephyr Charge

{1}{U}: Target creature gains flying until end of turn.

Phyrexian Tower

{T}: Add {C}.
{T}, Sacrifice a creature: Add {B}{B}.

Back to Nature

Wrath of God

Destroy all creatures. They can't be regenerated.

Pernicious Deed

{X}, Sacrifice this enchantment: Destroy each artifact, creature, and enchantment with mana value X or less.

Alluring Siren

{T}: Target creature an opponent controls attacks you this turn if able.

Contagion Engine

When this artifact enters, put a -1/-1 counter on each creature target player controls.
{4}, {T}: Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)