(An ongoing scheme remains face up until it's abandoned.)Each opponent can't cast more than one spell each turn.At the beginning of your upkeep, if no opponent cast a spell since your last turn ended, abandon this scheme.
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.
When you set this scheme in motion, target opponent chooses self or others. If that player chooses self, the player sacrifices two creatures of their choice. If the player chooses others, each of your other opponents sacrifices a creature of their choice.
(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.
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.
When you set this scheme in motion, you may pay . If you do, this scheme deals X damage to target opponent or planeswalker and each creature that player or that planeswalker's controller controls.
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.