Kaido -Animal Kingdom Pirates- [ST-04]

Product Details:

Card No: ST04-003
Rarity: SR
Color: Purple
Card Type: Character
Cost: 9
Power: 10000
Counter: -
Attribute: Strike
Type: The Four Emperors/Animal Kingdom Pirates
Card Set: -Animal Kingdom Pirates- [ST-04]

Effect:
[On Play] DON!! −5 (You may return the specified number of DON!! cards from your field to your DON!! deck.): K.O. up to 1 of your opponent's Characters with a cost of 6 or less. This Character gains [Rush] during this turn.
(This card can attack on the turn in which it is played.)

Card Questions/Ruling:

• Can I use this [Activate: Main] effect and trash 1 card from my hand on any turn after the turn this Character was played?
  Yes, you can. In this case, nothing happens after you trash 1 card from your hand.