Do I have to have a monster on my side of the field to be able to use soul exchange?

Question

Description of soul exchange: Select 1 monster your opponent controls. This turn, if you would Tribute a monster you control. Tribute the selected monster instead. You cannot conduct your Battle Phase during the turn that you activate this card.

"This turn, if you would tribute a monster you control, tribute the selected monster instead." Where it says "if you would tribute a monster you control", does that mean you have to have a monster on your field to use this card?

Answer 1

yes

Answer 2

NO, NOT AT ALL! it all you need is your opponents monsters!

Answer 3

no, it means that you when you have to tribute, instead of using a monster you have, you can use your opponents monster, example, you have summoned skull in your hand. you have a clear field. you can use soul exchange to tribute your opponents monster to summon it.

Answer 4

no it saying that if u had a monster u tribute ur oponest selected monster insted.