Swarm Culler

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

Monoist Circuit-Feeder

Flying
When this creature enters, until end of turn, target creature you control gets +X/+0 and target creature an opponent controls gets -0/-X, where X is the number of artifacts you control.

Elegy Acolyte

Lifelink
Whenever one or more creatures you control deal combat damage to a player, you draw a card and lose 1 life.
Void — At the beginning of your end step, if a nonland permanent left the battlefield this turn or a spell was warped this turn, create a 2/2 colorless Robot artifact creature token.

Gravpack Monoist

Flying
When this creature dies, create a tapped 2/2 colorless Robot artifact creature token.

Zero Point Ballad

Destroy all creatures with toughness X or less. You lose X life. If X is 6 or more, return a creature card put into a graveyard this way to the battlefield under your control.

Forest

Comet Crawler

Lifelink
Whenever this creature attacks, you may sacrifice another creature or artifact. If you do, this creature gets +2/+0 until end of turn.

Blooming Stinger

Deathtouch
When this creature enters, another target creature you control gains deathtouch until end of turn.

Fell Gravship

When this Spacecraft enters, mill three cards, then return a creature or Spacecraft card from your graveyard to your hand.
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+.)
STATION 8+
Flying, lifelink

Susurian Voidborn

Whenever this creature or another creature or artifact you control dies, target opponent loses 1 life and you gain 1 life.
Warp {B} (You may cast this card from your hand for its warp cost. Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.)

Beamsaw Prospector

When this creature dies, create a Lander token. (It's an artifact with "{2}, {T}, Sacrifice this token: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.")

Fungal Colossus

This spell costs {X} less to cast, where X is the number of differently named lands you control.

Gravblade Heavy

As long as you control an artifact, this creature gets +1/+0 and has deathtouch.

Depressurize

Target creature gets -3/-0 until end of turn. Then if that creature's power is 0 or less, destroy it.

Eumidian Terrabotanist

Landfall — Whenever a land you control enters, you gain 1 life.

Thawbringer

When this creature enters or dies, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Harmonious Grovestrider

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
This creature's power and toughness are each equal to the number of lands you control.

Faller's Faithful

When this creature enters, destroy up to one other target creature. If that creature wasn't dealt damage this turn, its controller draws two cards.

Skystinger

Reach
Whenever this creature blocks a creature with flying, this creature gets +5/+0 until end of turn.

Swamp

Shattered Wings

Destroy target artifact, enchantment, or creature with flying. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)