Seline Jirad, the God Slayer

Shroud, Vigilance
{w}{w}{w}{w}{w}: Regenerate target creature.
{w}: Destroy target creature with power 5 or greater.
If Seline Jirad, the God Slayer attacks, you may pay {w}{w}{w}. If you do untap all creatures you control,
and after this phase, there is an additional combat
phase. Seline Jirad, the God Slayer can not attack
on an additional combat phase.