Icetill Explorer

You may play an additional land on each of your turns.
You may play lands from your graveyard.
Landfall — Whenever a land you control enters, mill a card.

Mutinous Massacre

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.)

Starport Security

{3}{W}, {T}: Tap another target creature. This ability costs {2} less to activate if you control a creature with a +1/+1 counter on it.

The Dominion Bracelet

Equipped creature gets +1/+1 and has "{15}, Exile The Dominion Bracelet: You control target opponent during their next turn. This ability costs {X} less to activate, where X is this creature's power. Activate only as a sorcery." (You see all cards that player could see and make all decisions for them.)
Equip {1}

The Endstone

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.

Robot

Secluded Starforge

{T}: Add {C}.
{2}, {T}, Tap X untapped artifacts you control: Target creature gets +X/+0 until end of turn. Activate only as a sorcery.
{5}, {T}: Create a 2/2 colorless Robot artifact creature token.

Starfield Shepherd

Flying
When this creature enters, search your library for a basic Plains card or a creature card with mana value 1 or less, reveal it, put it into your hand, then shuffle.
Warp {1}{W} (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.)

Annul

Counter target artifact or enchantment spell.

Umbral Collar Zealot

Sacrifice another creature or artifact: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Kavaron Harrier

Whenever this creature attacks, you may pay {2}. If you do, create a 2/2 colorless Robot artifact creature token that's tapped and attacking. Sacrifice that token at end of combat.

Pull Through the Weft

Return up to two target nonland permanent cards from your graveyard to your hand, then return up to two target land cards from your graveyard to the battlefield tapped.

Singularity Rupture

Destroy all creatures, then any number of target players each mill half their library, rounded down.

Emissary Escort

This creature gets +X/+0, where X is the greatest mana value among other artifacts you control.

Astelli Reclaimer

Flying
When this creature enters, return target noncreature, nonland permanent card with mana value X or less from your graveyard to the battlefield, where X is the amount of mana spent to cast this creature.
Warp {2}{W}

Sunstar Chaplain

At the beginning of your end step, if you control two or more tapped creatures, put a +1/+1 counter on target creature you control.
{2}, Remove a +1/+1 counter from a creature you control: Tap target artifact or creature.

Sunstar Expansionist

Lander

When this creature enters, if an opponent controls more lands than you, 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, this creature gets +1/+0 until end of turn.

Edge of Eternities