No Shenanigans

Hidden Agenda (Start the game with this conspiracy
face down in the command zone. You may turn this
conspiracy face up at any time.)
If a spell or ability would create a magic subgame, counter that spell or ability.
If a spell or ability would cause a player to skip a
turn, or change the turn order, counter that spell
or ability.
Whenever a player casts an Un-card or Custom
card, that player loses 3 life.