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.

Thalia, Guardian of Thraben

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

Voice of Resurgence

Whenever an opponent casts a spell during your turn or when Voice of Resurgence dies, put a green and white Elemental creature token onto the battlefield with "This creature's power and toughness are each equal to the number of creatures you control."

Collected Company

Look at the top six cards of your library. Put up to two creature cards with converted mana cost 3 or less from among them onto the battlefield. Put the rest on the bottom of your library in any order.

Gavony Township

{T}: Add {1} to your mana pool. {2}{G}{W}, {T}: Put a +1/+1 counter on each creature you control.

Scavenging Ooze

{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.

Vryn Wingmare

Flying Noncreature spells cost {1} more to cast.

Knight of the Reliquary

Knight of the Reliquary gets +1/+1 for each land card in your graveyard. {T}, Sacrifice a Forest or Plains: Search your library for a land card, put it onto the battlefield, then shuffle your library.

Spellskite

{U/P}: Change a target of target spell or ability to Spellskite. ({U/P} can be paid with either {U} or 2 life.)

Qasali Pridemage

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {1}, Sacrifice Qasali Pridemage: Destroy target artifact or enchantment.

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.

Birds of Paradise

Flying {T}: Add one mana of any color to your mana pool. This ability is played as an interrupt.

Path to Exile

Exile target creature. Its controller may search his or her library for a basic land card, put that card onto the battlefield tapped, then shuffle his or her library.

Stirring Wildwood

Stirring Wildwood enters the battlefield tapped. {T}: Add {G} or {W} to your mana pool. {1}{G}{W}: Until end of turn, Stirring Wildwood becomes a 3/4 green and white Elemental creature with reach. It's still a land.

Flooded Strand

Misty Rainforest

Temple Garden

Windswept Heath

Eternal Witness

Ghost Quarter

Horizon Canopy

Plains

({T}: Add {W}.)

Forest

({T}: Add {G}.)