Cavern of Souls

As Cavern of Souls enters the battlefield, choose a creature type. {T}: Add {1} to your mana pool. {T}: Add one mana of any color to your mana pool. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Kessig Malcontents

When Kessig Malcontents enters the battlefield, it deals damage to target player equal to the number of Humans you control.

Thalia, Guardian of Thraben

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

Champion of the Parish

Whenever another Human enters the battlefield under your control, put a +1/+1 counter on Champion of the Parish.

Mantis Rider

Flying, vigilance, haste

Phantasmal Image

You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it gains "When this creature becomes the target of a spell or ability, sacrifice it."

Reclamation Sage

When Reclamation Sage enters the battlefield, you may destroy target artifact or enchantment.

Aether Vial

At the beginning of your upkeep, you may put a charge counter on ?ther Vial. {T}: You may put a creature card with converted mana cost equal to the number of charge counters on ?ther Vial from your hand onto the battlefield.

Meddling Mage

As Meddling Mage comes into play, name a nonland card. The named card can't be played.

Ancient Ziggurat

{T}: Add one mana of any color to your mana pool. Spend this mana only to cast creature spells.

Noble Hierarch

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {G}, {W}, or {U} to your mana pool.

Dark Confidant

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 converted mana cost.

Seachrome Coast

Seachrome Coast enters the battlefield tapped unless you control two or fewer other lands. {T}: Add {W} or {U} to your mana pool.

Reflector Mage

Horizon Canopy

Thalia's Lieutenant

Kitesail Freebooter

1B

Unclaimed Territory

Plains

({T}: Add {W}.)