{X}, {T}: Untap X target lands.

{X}, {T}: Untap X target lands.

{X}, {T}: Untap X target lands.

{X}, {T}: Untap X target lands.

Whenever City of Brass becomes tapped, it deals 1 damage to you.

{T}: Add one mana of any color.

Whenever City of Brass becomes tapped, it deals 1 damage to you.

{T}: Add one mana of any color.

{2}: Regenerate Clay Statue.

{2}: Regenerate Clay Statue.

{2}: Regenerate Clay Statue.

{2}: Regenerate Clay Statue.

Flying

Clockwork Avian enters the battlefield with four +1/+0 counters on it.

At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1/+0 counter from it.

{X}, {T}: Put up to X +1/+0 counters on Clockwork Avian. This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four. Activate only during your upkeep.

{T}: Add {C}.

{T}: Desert deals 1 damage to target attacking creature. Activate only during the end of combat step.

{T}: Add {C}.

{T}: Desert deals 1 damage to target attacking creature. Activate only during the end of combat step.

{T}: Add {C}.

{T}: Desert deals 1 damage to target attacking creature. Activate only during the end of combat step.

{2}: Dragon Engine gets +1/+0 until end of turn.

{2}: Dragon Engine gets +1/+0 until end of turn.

{2}: Dragon Engine gets +1/+0 until end of turn.

{2}: Dragon Engine gets +1/+0 until end of turn.

{1}, {T}: Tap target artifact, creature, or land.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

{2}, {T}: Draw a card, then discard a card.

Defender (This creature can't attack.)

{1}: Regenerate Living Wall.

Defender (This creature can't attack.)

{1}: Regenerate Living Wall.

Attacking creatures get +1/+0.

{T}: Add {C}.

{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

{T}: Add {C}.

{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

{T}: Add {C}.

{1}: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

{T}: Add {C}{C}{C}. Spend this mana only to cast artifact spells.

As Shapeshifter enters the battlefield, choose a number between 0 and 7.

At the beginning of your upkeep, you may choose a number between 0 and 7.

Shapeshifter's power is equal to the last chosen number and its toughness is equal to 7 minus that number.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

Flying

Tetravus enters the battlefield with three +1/+1 counters on it.

At the beginning of your upkeep, you may remove any number of +1/+1 counters from Tetravus. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted."

At the beginning of your upkeep, you may exile any number of tokens created with Tetravus. If you do, put that many +1/+1 counters on Tetravus.

Flying

Tetravus enters the battlefield with three +1/+1 counters on it.

At the beginning of your upkeep, you may remove any number of +1/+1 counters from Tetravus. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted."

At the beginning of your upkeep, you may exile any number of tokens created with Tetravus. If you do, put that many +1/+1 counters on Tetravus.

{0}: Urza's Avenger gets -1/-1 and gains your choice of banding, flying, first strike, or trample until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

{0}: Urza's Avenger gets -1/-1 and gains your choice of banding, flying, first strike, or trample until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

{0}: Urza's Avenger gets -1/-1 and gains your choice of banding, flying, first strike, or trample until end of turn. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Whenever a player casts an artifact spell, you may pay {1}. If you do, you gain 1 life.

Whenever a player casts an artifact spell, you may pay {1}. If you do, you gain 1 life.

Whenever a player casts an artifact spell, you may pay {1}. If you do, you gain 1 life.

Whenever a player casts an artifact spell, you may pay {1}. If you do, you gain 1 life.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

Vigilance

Vigilance

Vigilance

Vigilance