Can I troll with dragon tail?

Question

If I teach it to a fast Pokemon like seperior can I repeatedly use this to damage and switch damage and switch etc.

Answer 1

No because dragon tail has a -6 priority meaning it will go last almost always.
Source: http://bulbapedia.bulbagarden.net/wiki/Dragon_Tail

Comments

No, not what I meant.
Trick Room affects Speed, not priority.

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But comparing -6 and -7 priority, which would go first then?

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i was talking about fizzcube dragon tail will go last unless the opponent uses magic room, trick room, or wonder room which have a -7 priority so that way it will go first because dragon tail has -6 priority

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Oh, I misread.
Same goes for Wonder and Magic Rooms.

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Snore anyone?