When this Spacecraft enters, draw two cards, then discard a card.
Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery. It's an artifact creature at 8+.)
8+: Flying
4/4

Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery. It's an artifact creature at 12+.)
3+: Whenever you cast an artifact spell, draw a card. Put a charge counter on this Spacecraft.
12+: Flying
This Spacecraft gets +1/+0 for each artifact you control.
0/8

The second spell you cast each turn costs less to cast.

When Uthgardt Fury enters, it deals 4 damage to any target.
Damage isn't removed from creatures your opponents control during cleanup steps.

: Regenerate this creature.

When U.S.S. Voyager enters, reveal cards from the top of your library until you reveal two land cards. Put those land cards onto the battlefield tapped and the rest on the bottom of your library in a random order.
Station — It's an artifact creature at 8+
8+: Flying, vigilance
3/3

Station — It's an artifact creature at 6+
6+: Flying
Picard Maneuver — Whenever U.S.S. Stargazer attacks, create a tapped and attacking 4/3 colorless Spacecraft Illusion artifact creature token with flying. Exile that token at end of combat.
4/3

Whenever U.S.S. Reliant enters or deals combat damage to a player, return target creature card with mana value 4 or less from your graveyard to the battlefield with a finality counter on it.
Station — It's an artifact creature at 10+.
10+: Flying
4/3

Station — It's an artifact creature at 4+
4+: Flying
6/6
8+: Multivector Assault Mode — Whenever U.S.S. Prometheus deals combat damage to an opponent, it deals that much damage to each other opponent.

Landfall — Whenever a land you control enters, you may put a creature card from your hand onto the battlefield. That creature gains haste. At the beginning of the next end step, put it on the bottom of your library. When you do, draw a card.
Station — It's an artifact creature at 7+
7+: Flying
4/4

When U.S.S. Excelsior enters, destroy target tapped creature an opponent controls.
Station — It's an artifact creature at 8+
8+: Flying
4/4

When U.S.S. Enterprise-E enters, destroy all tapped creatures.
Station — It's an artifact creature at 8+
8+: Flying, vigilance
7/7

Whenever one or more charge counters are put on U.S.S. Enterprise-D for the first time each turn, exile the top card of your library. You may play that card this turn.
Station — It's an artifact creature at 7+
7+: Flying, vigilance
4/5

When U.S.S. Enterprise-C enters or dies, you may discard your hand. If you do, draw a card for each card discarded this way.
Station — It's an artifact creature at 3+
3+: Flying
6/6

Ward
When U.S.S. Enterprise-A enters, create three 1/1 red Officer creature tokens.
Station — It's an artifact creature at 6+
6+: Flying, lifelink
5/5

Whenever U.S.S. Discovery enters or attacks, discover 5.
Station — It's an artifact creature at 6+
6+: Flying
5/5

When U.S.S. Defiant enters, destroy up to one target artifact or enchantment.
Station — It's an artifact creature at 5+
5+: Flying, hexproof
7/4

Flash
When U.S.S. Defiant enters, it and up to one target creature you control phase out.
Station — It's an artifact creature at 8+
8+: Flying
5/5

When U.S.S. Cerritos enters, create two 1/1 red Officer creature tokens.
Station — It's an artifact creature at 6+
6+: Flying
4/4

Return target permanent you control to its owner's hand. (Then exile this card. You may cast the creature later from exile.)

Boast — : Create a 1/1 white Human Warrior creature token. (Activate this ability only if this creature attacked this turn and only once each turn.)

When U.S.Agent enters, create a colorless Equipment artifact token named Sturdy Shield with "Equipped creature gets +1/+2" and equip . Attach it to U.S.Agent.

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

: Add . If you control an Urza's Mine and an Urza's Power-Plant, add instead.

, : Draw a card. Then discard a card unless you exile a historic card from your graveyard. (Artifacts, legendaries, and Sagas are historic.)

, , Exile Urza's Sylex: Each player chooses six lands they control. Destroy all other permanents. Activate only as a sorcery.
When Urza's Sylex is put into exile from the battlefield, you may pay . If you do, search your library for a planeswalker card, reveal it, put it into your hand, then shuffle.

: Roll a six-sided die. Urza's Science Fair Project gets the indicated result.
1 — It gets -2/-2 until end of turn.
2 — Prevent all combat damage it would deal this turn.
3 — It gains vigilance until end of turn.
4 — It gains first strike until end of turn.
5 — It gains flying until end of turn.
6 — It gets +2/+2 until end of turn.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Urza's Saga gains ": Add ."
Urza's Saga gains ", : Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"
Search your library for an artifact card with mana cost or , put it onto the battlefield, then shuffle.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)
Exile all nonland permanents that aren't legendary.