I Know All, I See All

(An ongoing scheme remains face up until it's abandoned.)
Untap all permanents you control during each opponent's untap step.
At the beginning of each end step, if three or more cards were put into your graveyard this turn from anywhere, abandon this scheme.

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.

Introductions Are in Order

When you set this scheme in motion, choose one —
• Search your library for a creature card, reveal it, put it into your hand, then shuffle.
• You may put a creature card from your hand onto the battlefield.

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.

All in Good Time

When you set this scheme in motion, take an extra turn after this one. Schemes can't be set in motion that turn.

Surrender Your Thoughts

When you set this scheme in motion, target opponent chooses self or others. If that player chooses self, that player discards four cards. If the player chooses others, each of your other opponents discards two cards.

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.

Your Inescapable Doom

(An ongoing scheme remains face up.)
At the beginning of your end step, put a doom counter on this scheme, then this scheme deals damage equal to the number of doom counters on it to the opponent with the highest life total among your opponents. If two or more players are tied for highest life total, you choose one.

Your Puny Minds Cannot Fathom

When you set this scheme in motion, draw four cards. You have no maximum hand size until your next turn.

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.

I Will Savor Your Agony

When you set this scheme in motion, choose three. You may choose the same mode more than once.
• Destroy target creature.
• Target player draws a card.
• Target player gains 5 life.

Your Fate Is Thrice Sealed

When you set this scheme in motion, reveal the top three cards of your library. Put all land cards revealed this way onto the battlefield and the rest into your hand.

Dance, Pathetic Marionette

When you set this scheme in motion, each opponent reveals cards from the top of their library until they reveal a creature card. Choose one of the revealed creature cards and put it onto the battlefield under your control. Put all other cards revealed this way into their owners' graveyards.

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.

Only Blood Ends Your Nightmares

When you set this scheme in motion, each opponent sacrifices a creature. Then each opponent who didn't sacrifice a creature discards two cards.

The Dead Shall Serve

When you set this scheme in motion, for each opponent, put up to one target creature card from that player's graveyard onto the battlefield under your control. Each of those creatures attacks its owner each combat if able.

Plots That Span Centuries

When you set this scheme in motion, the next time you would set a scheme in motion, set three schemes in motion instead.