Demilitarization

Sorcery

Target player exiles all nontoken creatures they control then searches their library for up to that many basic land cards then puts them onto the battlefield tapped, then shuffles their library.

Overload

Create a 4 mana blue Sphinx that incentivises creatures not attacking you for card draw.

Marching Parade

Sorcery

When you cast this spell, choose odd or even.

Put X +1/+1 counters on each of up to X target creatures.

Until your next turn, creatures with power of the chosen value can't attack or block.

Make a Green // White split card named Go Big // Go Home to the template of Wax / Wane

Catnip

Artifact - Food

: Add one mana of any colour. If that mana is spent on a cat creature spell, it gains haste until end of turn.

, , Sacrifice Catnip: Gain 3 life. Prevent all damage that would be dealt to cats you control this turn.

Create an uncommon orzhov thrull with afterlife that aristocrat decks would want to play.

You don't need Solemn Simulacrum or Burnished Hart, they're too slow. Replace them with a Night's Whisper and Sign in Blood

Gas Gas Gas!

Enchantment

Vehicles you control have haste.

At the beginning of combat on your turn, target vehicle becomes an artifact creature until end of turn.

Cycling

"Do you like my car?" - Manuel Caramori

Create a 7 mana silver-bordered blue instant called "You thought I was holding a cyclonic rift, didn't you?"

Clockwork Pixie

Artifact Creature - Construct Faerie

If ~ would be dealt damage, prevent that damage. ~ becomes a Construct artifact and gains "Whenever an artifact enters, you may tap or untap it" until your next turn. (It loses all other types.)

2/2

Make an artifact card about a moving platform that you can tap or untap at the beginning of combat

Kenotia, Leafkin Sorcerer

Legendary Planeswalker - Kenotia

+1: Target forest you control becomes a 0/4 Elemental creature with reach until your next turn. It's still a land.

-4: Forests you control become 0/0 Elemental creatures with trample and "This creature gets +1/+1 for each forest you control" until your next turn. They are still lands.

2

Create an enchantment that creates Spirit Link tokens.

Reclamation Witch

Creature - Human Warlock

When ~ enters, destroy target nonblack nonartifact creature or enchantment. You lose life equal to its mana value

2/1

We love colourshifted spells. Make a colourshifted Beast Whisperer for white weenies.

Setessan Wheatfields

Land - Plains

(: Add )

This land enters tapped.

Whenever an enchantment enters under your control, gain 1 life.

Create a monogreen nonlegendary elf with "...creatures you control get +X/+X until end of turn, where X is the greatest power among creatures you control."

Dream Syphon

Sorcery

Tap target creature and put a stun counter on it. Draw cards equal to its power.

Create a nonlegendary wincon for Defender decks that doesn't do Buttstrike or Mill or say "you win the game"

Spreading Pollen

Demonstrate (When you cast this spell, you may copy it. If you do, choose an opponent to also copy it. Players may choose new targets for their copies.)

Prevent all combat damage that would be dealt to you this turn. Clash with an opponent. If you win, creatures that player controls don’t untap during the player’s next untap step.

Pollen Lullaby because clash needs to come back

Create a red Tormenting Voice version of Mulldrifter

Oran-Rief Crevices

Land - Cave

This land enters tapped.

: Add or

, , Sacrifice this land: Search your library for two cave cards and put them onto the battlefield tapped, then shuffle.

Give demonstrate to an existing uncommon rarity sorcery, making it cost one more mana and fun to politic with in commander.