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.

Boreal Druid

{T}: Add {1} to your mana pool.

Grove of the Burnwillows

{T}: Add {1} to your mana pool. {PT}: Add {R} or {G} to your mana pool. Each opponent gains 1 life.

Domri Rade

+1: Look at the top card of your library. If it's a creature card, you may reveal it and put it into your hand. -2: Target creature you control fights another target creature. -7: You get an emblem with "Creatures you control have double strike, trample, hexproof, and haste."

Snow-Covered Mountain

{T}: Add {R} to your mana pool.

Snow-Covered Forest

{T}: Add {G} to your mana pool.

Kessig Wolf Run

{T}: Add {1} to your mana pool. {X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.

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.

Engineered Explosives

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice Engineered Explosives: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Engineered Explosives.

Seal of Primordium

Sacrifice Seal of Primordium: Destroy target artifact or enchantment.

Bloodbraid Elf

Haste Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Dismember

({B/P} can be paid with either {B} or 2 life.) Target creature gets -5/-5 until end of turn.

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.

Ancient Stirrings

Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order. (Cards with no colored mana in their mana costs are colorless. Lands are also colorless.)

Eldrazi Temple

{T}: Add {1} to your mana pool. {T}: Add {2} to your mana pool. Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi.

Relic of Progenitus

{T}: Target player removes a card in his or her graveyard from the game. {1}, Remove Relic of Progenitus from the game: Remove all graveyards from the game. Draw a card.

Choke

Islands do not untap during their controllers' untap phases.

Karplusan Forest

{T}: Add {1} to your mana pool. {T}: Add {R} or {G} to your mana pool. Karplusan Forest deals 1 damage to you.

Sudden Shock

Split second (As long as this spell is on the stack, players can't play spells or activated abilities that aren't mana abilities.) Sudden Shock deals 2 damage to target creature or player.

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Nature's Claim

Destroy target artifact or enchantment. Its controller gains 4 life.

Wooded Foothills

Eldrazi Obligator

Matter Reshaper

Reality Smasher

Thought-Knot Seer

Warping Wail

Rhonas the Indomitable

Damping Sphere

If a land is tapped for two or more mana, it produces {C} instead of any other type and amount. Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn.

Stomping Ground

({T}: Add {R} or {G}.) As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Grafdigger's Cage

Creature cards in graveyards and libraries can't enter the battlefield. Players can't cast spells from graveyards or libraries.