Your Will Is Not Your Own

When you set this scheme in motion, gain control of target creature an opponent controls until end of turn. Untap that creature. It gets +3/+3 and gains trample and haste until end of turn.

Every Hope Shall Vanish

When you set this scheme in motion, each opponent reveals their hand. Choose a nonland card from each of those hands. Those players discard those cards.

Mizzium Mortars

Mizzium Mortars deals 4 damage to target creature you don't control.
Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Firemane Avenger

Flying
Battalion — Whenever Firemane Avenger and at least two other creatures attack, Firemane Avenger deals 3 damage to any target and you gain 3 life.

Flametongue Kavu

When Flametongue Kavu enters, it deals 4 damage to target creature.

Ishkanah, Grafwidow

Reach
Delirium — When Ishkanah, Grafwidow enters, if there are four or more card types among cards in your graveyard, create three 1/2 green Spider creature tokens with reach.
{6}{B}: Target opponent loses 1 life for each Spider you control.

Ezuri's Predation

For each creature your opponents control, create a 4/4 green Phyrexian Beast creature token. Each of those tokens fights a different one of those creatures.

Blessed Alliance

Escalate {2} (Pay this cost for each mode chosen beyond the first.)
Choose one or more —
• Target player gains 4 life.
• Untap up to two target creatures.
• Target opponent sacrifices an attacking creature.

My Wish Is Your Command

When you set this scheme in motion, each opponent reveals their hand. You may choose a noncreature, nonland card revealed this way and cast it without paying its mana cost.

My Undead Horde Awakens

(An ongoing scheme remains face up until it's abandoned.)
At the beginning of your end step, you may put target creature card from an opponent's graveyard onto the battlefield under your control.
When a creature put onto the battlefield with this scheme dies, abandon this scheme.

Neyith of the Dire Hunt

Whenever one or more creatures you control fight or become blocked, draw a card.
At the beginning of combat on your turn, you may pay {2}{R/G}. If you do, double target creature's power until end of turn. That creature must be blocked this combat if able. ({R/G} can be paid with either {R} or {G}.)

Voracious Hydra

Trample
Voracious Hydra enters with X +1/+1 counters on it.
When Voracious Hydra enters, choose one —
• Double the number of +1/+1 counters on Voracious Hydra.
• Voracious Hydra fights target creature you don't control.

Roast

Roast deals 5 damage to target creature without flying.

Battlefield Forge

{T}: Add {C}.
{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.

What's Yours Is Now Mine

When you set this scheme in motion, gain control of target creature an opponent controls and untap it.

Rhythm of the Wild

Creature spells you control can't be countered.
Nontoken creatures you control have riot. (They enter with your choice of a +1/+1 counter or haste.)

Managorger Hydra

Trample
Whenever a player casts a spell, put a +1/+1 counter on Managorger Hydra.

Subjugator Angel

Flying
When Subjugator Angel enters, tap all creatures your opponents control.

There Is No Refuge

When you set this scheme in motion, it deals 3 damage to up to one target creature. Create a 3/3 black Horror creature token.

Mountain

Choose Your Champion

When you set this scheme in motion, target opponent chooses a player. Until your next turn, only you and the chosen player can cast spells and attack with creatures.

Make Yourself Useful

When you set this scheme in motion, destroy target creature an opponent controls. If a creature is destroyed this way, you gain life equal to its toughness.

Helm of the Host

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.
Equip {5}

Arachnogenesis

Create X 1/2 green Spider creature tokens with reach, where X is the number of creatures attacking you. Prevent all combat damage that would be dealt this turn by non-Spider creatures.

Look Skyward and Despair

When you set this scheme in motion, create a 5/5 red Dragon creature token with flying.

Gaea's Blessing

Target player shuffles up to three target cards from their graveyard into their library.
Draw a card.
When Gaea's Blessing is put into your graveyard from your library, shuffle your graveyard into your library.

Thermo-Alchemist

Defender
{T}: Thermo-Alchemist deals 1 damage to each opponent.
Whenever you cast an instant or sorcery spell, untap Thermo-Alchemist.

Song of the Dryads

Enchant permanent
Enchanted permanent is a colorless Forest land.

Sword of Dungeons & Dragons

Equipped creature gets +2/+2 and has protection from Rogues and from Clerics.
Whenever equipped creature deals combat damage to a player, create a 4/4 gold Dragon creature token with flying and roll a d20 (a twenty-sided die). If you roll a 20, repeat this process.
Equip {2}

Plains

Temple Garden

({T}: Add {G} or {W}.)
As Temple Garden enters, you may pay 2 life. If you don't, it enters tapped.

Threat

Create a 4/4 red and green Beast creature token with trample.

Thrash

Target creature you control deals damage equal to its power to target creature or planeswalker you don't control.

Thrash // Threat

Territorial Hellkite

Flying, haste
At the beginning of combat on your turn, choose an opponent at random that Territorial Hellkite didn't attack during your last combat. Territorial Hellkite attacks that player this combat if able. If you can't choose an opponent this way, tap Territorial Hellkite.

Realms Befitting My Majesty

When you set this scheme in motion, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Sundering Growth

Destroy target artifact or enchantment, then populate. (Create a token that's a copy of a creature token you control.)

When Will You Learn?

When you set this scheme in motion, each opponent exiles the top card of their library. You may cast any number of spells from among cards exiled this way without paying their mana costs.

Feed the Machine

When you set this scheme in motion, target opponent chooses self or others. If that player chooses self, the player sacrifices two creatures. If the player chooses others, each of your other opponents sacrifices a creature.

All Shall Smolder in My Wake

When you set this scheme in motion, destroy up to one target artifact, up to one target enchantment, and up to one target nonbasic land.

The Fate of the Flammable

When you set this scheme in motion, target opponent chooses self or others. If that player chooses self, this scheme deals 6 damage to that player. If the player chooses others, this scheme deals 3 damage to each of your other opponents.

Emeria Angel

Flying
Landfall — Whenever a land you control enters, you may create a 1/1 white Bird creature token with flying.

Slippery Bogbonder

Flash
Hexproof
When Slippery Bogbonder enters, put a hexproof counter on target creature. Then move any number of counters from among creatures you control onto that creature.

Anya, Merciless Angel

Flying
Anya, Merciless Angel gets +3/+3 for each opponent whose life total is less than half their starting life total.
As long as an opponent's life total is less than half their starting life total, Anya has indestructible.

Sunscorch Regent

Flying
Whenever an opponent casts a spell, put a +1/+1 counter on Sunscorch Regent and you gain 1 life.

Forgotten Ancient

Whenever a player casts a spell, you may put a +1/+1 counter on Forgotten Ancient.
At the beginning of your upkeep, you may move any number of +1/+1 counters from Forgotten Ancient onto other creatures.

Inspiring Vantage

Inspiring Vantage enters tapped unless you control two or fewer other lands.
{T}: Add {R} or {W}.

Kinjalli's Sunwing

Flying
Creatures your opponents control enter tapped.

Resplendent Angel

Flying
At the beginning of each end step, if you gained 5 or more life this turn, create a 4/4 white Angel creature token with flying and vigilance.
{3}{W}{W}{W}: Until end of turn, Resplendent Angel gets +2/+2 and gains lifelink.

Approach My Molten Realm

When you set this scheme in motion, until your next turn, if a source would deal damage, it deals double that damage instead.

Sacred Foundry

({T}: Add {R} or {W}.)
As Sacred Foundry enters, you may pay 2 life. If you don't, it enters tapped.

This World Belongs to Me

When you set this scheme in motion, draw two cards. You may play an additional land this turn.

Forest

Sheltering Light

Target creature gains indestructible until end of turn. Scry 1. (Damage and effects that say "destroy" don't destroy the creature.)

Roots of All Evil

When you set this scheme in motion, create five 1/1 green Saproling creature tokens.