Radagon of The Golden Order

Whenever Radagon of The Golden Order attacks,
you may pay {1}{r}{w}, If you do Radagon of The
Golden Order deals 3 damage to any target
defending player controls

{2}{r}{w}: Untap Radagon of The Golden Order and return him to the battlefield at the beginning of the
next combat phase. When you do, he deals 3
damage to each creature declared attacking you