2x exp card to be useable

Suggestion Title: 2x exp card to be useable Description of Suggestion: To be consumable instead for 1 time changes. Why Do You Think This Is Needed? As player might not be able to play daily. Player could still login daily to get 2x and keep it to be use in future. Possible Downsides or Obstacles: Player count base will more be biased on weekends. Might have abuse of 2x EXP consumable trading from multi-account. Additional Notes/Comments: Could make it untradable.