I Know All, I See All

When you set this scheme in motion, destroy all nonland permanents target opponent controls.

When you set this scheme in motion, each opponent loses 3 life. You gain life equal to the life lost this way.

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

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

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

(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.

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.

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.