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."
{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
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.
Hidden agenda Creatures you control with the chosen name have "At the beginning of combat on your turn, you may pay {G}. If you do, put a +1/+1 counter on this creature."
When you set this scheme in motion, target opponent chooses a creature you don't control and puts it on top of its owner's library, then repeats this process for an artifact, an enchantment, and a land. Then the owner of each permanent chosen this way shuffles.
Whenever a creature attacks and isn't blocked, if you're the defending player, create a 0/1 green Plant creature token that's blocking that creature. When four or more creatures attack you, abandon this scheme at end of combat.
You may play any number of lands on each of your turns. Whenever chaos ensues, target red, green, or white creature you control gets +1/+1 until end of turn for each land you control.
Skip your draw step. At the beginning of your end step, if it's not the first turn of the game, put a death counter on Necropotence Avatar. You draw X cards and you lose X life, where X is the number of death counters on Necropotence Avatar.
At the beginning of your end step, mill seven cards. Then return a card at random from your graveyard to your hand. Whenever chaos ensues, return target card from your graveyard to your hand.
Whenever you crank Neural Network, gain control of target creature an opponent controls with power less than or equal to the number of creature cards in its controller's graveyard until end of turn. Untap that creature. It gains haste until end of turn.
Whenever a historic creature you control attacks, it gets +2/+2 until end of turn. Whenever chaos ensues, reveal cards from the top of your library until you reveal a historic card. Put that card into your hand and the rest on the bottom of your library in a random order.
At the beginning of combat on your turn, until end of turn, noncreature artifacts you control become 3/3 Vehicles in addition to their other types and gain flying, haste, and crew 1. Whenever chaos ensues, create a Treasure token and a 2/2 white Alien creature token.
When you set this scheme in motion, exile cards from the top of your library until you exile a nonland card. You may cast that card without paying its mana cost. Then if you control six or more lands, repeat this process once.
"I will sink my teeth into the depths of your mind and devour all that is precious to you."