Dark Depths

Dark Depths comes into play with ten ice counters on it. {3}: Remove an ice counter from Dark Depths. When Dark Depths has no ice counters on it, sacrifice it. If you do, put an indestructible legendary 20/20 black Avatar creature token with flying named Marit Lage into play.

Manabond

During your discard phase, you may choose to put all land cards from your hand into play. If you do, discard the rest of your hand.

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.

Thespian's Stage

{T}: Add {1} to your mana pool. {2}, {T}: Thespian's Stage becomes a copy of target land and gains this ability.

Glacial Chasm

Cumulative Upkeep: 2 life When Glacial Chasm comes into play, sacrifice a land. You cannot attack. All damage dealt to you is reduced to 0.

Riftstone Portal

{T}: Add one colorless mana to your mana pool. As long as Riftstone Portal is in your graveyard, lands you control have "{T}: Add {G} or {W} to your mana pool."

The Tabernacle at Pendrell Vale

All creatures now require an upkeep cost of {1} in addition to any other upkeep costs they may have. If the upkeep cost for a creature is not paid, the creature is destroyed.

Rishadan Port

{T}: Add one colorless mana to your mana pool. {1}, {T}: Tap target land.

Chalice of the Void

Chalice of the Void enters the battlefield with X charge counters on it. Whenever a player casts a spell with converted mana cost equal to the number of charge counters on Chalice of the Void, counter that spell.

Tranquil Thicket

Tranquil Thicket comes into play tapped. {T}: Add {G} to your mana pool. Cycling {G} ({G}, Discard this card from your hand: Draw a card.)

Life from the Loam

Return up to three target land cards from your graveyard to your hand. Dredge 3 (If you would draw a card, instead you may put exactly three cards from the top of your library into your graveyard. If you do, return this card from your graveyard to your hand. Otherwise, draw a card.)

Mox Diamond

When Mox Diamond comes into play, choose and discard a land card or sacrifice Mox Diamond. {T}: Add one mana of any color to your mana pool. Play this ability as a mana source.

Maze of Ith

{T}: Target attacking creature becomes untapped. This creature neither deals nor receives damage as a result of combat.

Taiga

Counts as both forest and mountains and is affected by spells that affect either. Tap to add either {G} or {R} to your mana pool.

Crop Rotation

At the time you play Crop Rotation, sacrifice a land. Search your library for a land card and put that land into play. Shuffle your library afterwards.

Gamble

Search your library for a card, put that card into your hand, then discard a card at random. Shuffle your library afterward.

Exploration

You may play an additional land each turn.

Punishing Fire

Punishing Fire deals 2 damage to target creature or player. Whenever an opponent gains life, you may pay {R}. If you do, return Punishing Fire from your graveyard to your hand.

Verdant Catacombs

Windswept Heath

Wooded Foothills

Wasteland

Forest

({T}: Add {G}.)