[ST06-012] - Monkey.D.Garp (Starter Deck 6: Absolute Justice)

Can I use this [Activate: Main] effect to rest this Character without trashing a card from my hand, or trash a card from my hand without resting this Character?

No, you cannot.<br> All instructions specified before a colon are activation costs. Activation costs cannot be paid only in part.<br>If a part or all of the activation cost cannot be paid, then the effect cannot be activated.