Rulings

• 2015-11-04
  If all targets for the chosen modes become illegal before the Confluence resolves, the spell won’t resolve and none of its effects will happen. If at least one target is still legal, the spell will resolve but will have no effect on any illegal targets.
• 2015-11-04
  If a Confluence is copied, the effect that creates the copy will usually allow you to choose new targets, but you can’t choose new modes.
• 2015-11-04
  No player can cast spells or activate abilities in between the modes of a resolving spell.
• 2015-11-04
  No matter which combination of modes you choose, you always follow the instructions of a Confluence in the order they are written. If the same mode is chosen more than once, you choose their relative order as you cast the spell.
• 2015-11-04
  If a mode requires a target, you can select that mode only if there’s a legal target available. Ignore the targeting requirements for modes you don’t choose. Each time you select that mode, you can choose a different target, or you can choose the same target.
• 2015-11-04
  You choose the modes as you cast the spell. Once modes are chosen, they can’t be changed.
• 2021-03-19
  No matter which combination of modes you choose, you always follow the instructions in the order they are written.
• 2021-03-19
  If the middle mode is chosen more than once, you choose the relative order to return the target creatures.
• 2021-03-19
  No player can cast spells or activate abilities in between the modes of a resolving spell. Any abilities that trigger won't be put onto the stack until Mystic Confluence is done resolving.
• 2021-03-19
  If Mystic Confluence is copied, the effect that creates the copy will usually allow you to choose new targets, but you can't choose new modes.
• 2021-03-19
  If you choose the first and/or second modes but all of the targets become illegal before Mystic Confluence resolves, the spell won't resolve. If you also chose the last mode once or twice, you won't draw any cards. If at least one target is still legal, the spell will resolve but will have no effect on any illegal targets.