Dragonite.

[Gmybeandad]

To use Dragonite's ability bust in, do I have to use it as soon I play him to my bench, or can I put him on the bench and bust in on a later turn?

 

[tutti]

You have to use it when you play Dragonite-EX.

 

[DukeFireBird]

Any ability that uses the phrase "When you play this card..." gets to activate it at that precise moment. If you take ANY other action, you then lose the chance to use the ability