When you set this scheme in motion, gain control of all nonland permanents your opponents control until end of turn. Untap those permanents. They gain haste until end of turn. Each of them attacks its owner this turn if able.
"Do you see the faces of those you once loved among my legion? You will join them soon."
When you set this scheme in motion, put five +1/+1 counters on a creature you control and it gains flying and vigilance until end of turn. If you control no creatures, instead create a 4/4 colorless Scarecrow artifact creature token with vigilance.
At the beginning of your end step, create a 3/3 black Horror creature token. At the beginning of your opponents' end step, they may sacrifice two creatures of their choice. If they do, abandon this scheme.
You may play an additional land on each of your turns. At the beginning of your end step, if you control six or more lands, draw two cards, then abandon this scheme.
"There is no path here that does not end with me."
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.
When you set this scheme in motion, create a number of Treasure tokens equal to the number of artifacts and enchantments your opponents control. If they control fewer than four artifacts and enchantments, create four Treasure tokens instead.
When you set this scheme in motion, choose up to three nonland permanents you don't control. Target opponent chooses one of those permanents. You gain control of the rest.
"Your former friends have already sworn themselves to me. Wouldn't you like to join them?"
When you set this scheme in motion, choose one — • Draw two cards. • Until end of turn, whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy.
"This House is mine, and all within it are my playthings."
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.
"Indulge me. Just one spell. One potentially fatal spell gone horribly awry."
{T}: Add {G}. {3}{G}, {T}: Look at the top four cards of your library. You may reveal a creature card from among them and put that card into your hand. Put the rest on the bottom of your library in a random order.
Myriad Landscape enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.
{TK}{TK} — Lifelink {TK}{TK}{TK} — This creature must be blocked if able. Whenever this creature becomes blocked, it gets +1/+1 until end of turn for each creature blocking it. {TK}{TK} — 1/4 {TK}{TK}{TK}{TK}{TK} — 6/8
Mystic Sanctuary enters tapped unless you control three or more other Islands. When Mystic Sanctuary enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.
{T}: Add {C}. {4}, {T}: Exile target attacking creature an opponent controls. At the beginning of the next end step, return it to the battlefield tapped under its owner's control.
At the beginning of your upkeep, put a flame counter on Naar Isle, then Naar Isle deals damage to you equal to the number of flame counters on it. Whenever chaos ensues, Naar Isle deals 3 damage to target player or planeswalker.
Each creature card in your graveyard has embalm. Its embalm cost is equal to its mana cost. Whenever chaos ensues, you may discard a card. If you do, draw a card.
"In the wake of the Kami War, Kamigawa descended into a state of constant warfare. Even with Kyodai's wisdom guiding them, it took the first Imperials decades of work and bloodshed to subdue the clans and bring peace to the land." —History of the Empire
{T}: Add {C}. Threshold — {G}{W}: Nantuko Monastery becomes a 4/4 green and white Insect Monk creature with first strike until end of turn. It's still a land. Activate only if seven or more cards are in your graveyard.