Broken Chalice

After deckbuilding, reveal the pieces of the
Chalice you have:
• 1: Swap decks with a random player.
• 2: Swap decks with a player of your choice.
• 3: Choose left or right. Everyone swaps
their deck in that direction.
{bull} 4: Before round one, and after each round,
you may swap your deck with any other player.