Pierre Raveneau

Door of Destinies

As Door of Destinies enters the battlefield, choose a creature type.
Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.
Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.

As this artifact enters, choose a creature type.
Whenever you cast a spell of the chosen type, put a charge counter on this artifact.
Creatures you control of the chosen type get +1/+1 for each charge counter on this artifact.

Gwyndala, the Progeny

When Gwyndala enters, create a colorless Equipment artifact token named Neuroflux Heirloom with "Equipped creature gets +1/+1" and equip {2}. Attach it to Gwyndala.
{2}: Each Equipment token you control becomes a copy of target Equipment you control until end of turn.

Shuttlecraft Galileo

Landfall — Whenever a land you control enters, create a 1/1 red Officer creature token.
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 6+.)
6+ | Flying
Whenever Shuttlecraft Galileo attacks, up to seven target attacking creatures gain flying until end of turn.

Transporters aren't always reliable, especially when you're coming in hot.

Shuttle Crew

Flying (This creature can't be blocked except by creatures with flying or reach.)
When this creature enters, it deals 4 damage to target tapped creature an opponent controls.

"When that ship went, it must've taken the captain with it."
—Chief Montgomery Scott

Path to Exile

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Their ability to replicate new circuits as they learn inadvertently bootstrapped exocomps into sentience in the 2360s.

Exocomp

Flying (This creature can't be blocked except by creatures with flying or reach.)

Eject the Warp Core

Kicker—Sacrifice an artifact or creature. (You may sacrifice an artifact or creature in addition to any other costs as you cast this spell.)
Target creature gets -2/-2 until end of turn. If this spell was kicked, that creature gets -6/-6 until end of turn instead.

Peace through superior firepower.
—Minosian motto, pre-extinction

Automated Warfare System

Flying
Whenever this creature attacks, you may sacrifice another creature or artifact. If you do, draw a card.

Craig Boone, Novac Guard

Reach, lifelink
One for My Baby — Whenever you attack with two or more creatures, put two quest counters on Craig Boone. When you do, Craig Boone deals damage equal to the number of quest counters on it to up to one target creature unless that creature's controller has Craig Boone deal that much damage to them.

"I do not believe that the world about us will ever again be as it was of old. For the Elves may soon pass to the Sea unhindered and leave Middle-earth forever."
—Haldir

Lonely Sandbar

This land enters tapped.
{T}: Add {U}.
Cycling {U} ({U}, Discard this card: Draw a card.)