
Mouth of the Storm | Creature | Elemental | Flying
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
When this creature enters, creatures your opponents control get -3/-0 until your next turn. | Domenico Cava

Starwinder | Creature | Leviathan | Whenever a creature you control deals combat damage to a player, you may draw that many cards.
Warp {2}{U}{U} (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.) | Devin Elle Kurtz

Nebula Dragon | Creature | Dragon | Flying
When this creature enters, it deals 3 damage to any target. | Greg Staples

Famished Worldsire | Creature | Leviathan | Ward {3}
Devour land 3 (As this creature enters, you may sacrifice any number of lands. It enters with three times that many +1/+1 counters on it.)
When this creature enters, look at the top X cards of your library, where X is this creature's power. Put any number of land cards from among them onto the battlefield tapped, then shuffle. | Kev Walker

Fungal Colossus | Creature | Fungus Beast | This spell costs {X} less to cast, where X is the number of differently named lands you control. | Sergey Glushakov

Glacier Godmaw | Creature | Leviathan | Trample
When this creature enters, 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.")
Landfall — Whenever a land you control enters, creatures you control get +1/+1 and gain vigilance and haste until end of turn. | Bruce Brenneise

Mutinous Massacre | Sorcery | | Choose odd or even. Destroy each creature with mana value of the chosen quality. Then gain control of all creatures until end of turn. Untap them. They gain haste until end of turn. (Zero is even.) | Quintin Gleim

Bygone Colossus | Artifact Creature | Robot Giant | Warp {3} (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.) | Maxime Minard

The Endstone | Legendary Artifact | | Whenever you play a land or cast a spell, draw a card.
At the beginning of your end step, your life total becomes half your starting life total, rounded up. | Ryan Pancoast

Extinguisher Battleship | Artifact | Spacecraft | When this Spacecraft enters, destroy target noncreature permanent. Then this Spacecraft deals 4 damage to each creature.
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 5+.)
STATION 5+
Flying, trample | Danny Schwartz

Pinnacle Kill-Ship | Artifact | Spacecraft | When this Spacecraft enters, it deals 10 damage to up to one target creature.
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 7+.)
STATION 7+
Flying | Alexandre Honoré