: Add .

, Pay 1 life: Add one mana of any color. Activate only if you control an artifact.

: Add .

, , Sacrifice this land: Draw a card. Activate only if you control five or more lands.

: Add .

, : Add for each basic Swamp you control.

: Add . ( represents colorless mana.)

, : Draw a card. Activate only if you have no cards in hand.

: Add .

: Add . Spend this mana only to cast colorless spells. Activate only if you control seven or more lands.

: Add .

Metalcraft — : Add for each Urza's land you control. Activate only if you control three or more artifacts.

: Add .

: Draw a card. Activate only if you have exactly seven cards in hand.

Rivendell enters tapped unless you control a legendary creature.

: Add .

, : Scry 2. Activate only if you control a legendary creature.

: Add .

: Add one mana of any color. Spend this mana only to cast a Sliver spell.

, : Create a 1/1 colorless Sliver creature token. Activate only if you control a Sliver.

This land enters tapped unless you control an Island or a Swamp.

: Add or .

Metalcraft — : Add one mana of any color. Activate only if you control three or more artifacts.

: Add .

, : Move a counter from target permanent you control onto a second target permanent. Activate only as a sorcery.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

: Add .

, : Draw a card. Activate only if you have the city's blessing.

: Add .

: Add . Activate only once and only if you control an Urza's Mine, an Urza's Power-Plant, and an Urza's Tower.

, : Head to AskUrza.com and click Urza's Fun House.

This land enters tapped unless you control a Swamp or a Forest.

: Add or .

This land enters tapped unless you control a Plains or a Swamp.

: Add or .

This land enters tapped unless you control a basic land.

: Add .

, : Earthbend 2. Activate only as a sorcery. (Target land you control becomes a 0/0 creature with haste that's still a land. Put two +1/+1 counters on it. When it dies or is exiled, return it to the battlefield tapped.)

This land enters tapped unless you control an Island or a Swamp.

: Add .

, : Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)