Can spells without Action or Reaction typing be played as Reactions (e.g., during a Showdown)?

Ruling: Spells that don't specify they are Actions or Reactions cannot be used as if they were Actions or Reactions. They can only be played during your turn in an open and neutral state.

Sequence:

• Must be your turn
• Game must be in an open and neutral state
• No showdown can be occurring
• No open chain can be active

Nuances:

• These spells cannot be used during opponent's turn or as reactions to events like Showdowns