A wacky variant Rule that can be applied to just about any format.
Creates chaotic gameplay by giving players the chance to cast random extra spells each turn.
During each round players begins the game with a Maelstrom Nexus emblem that has the following Cascade ability:
When you cast your first spell each turn, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.