Therro, Soaring Dirge

Feather Fall-{2}{w}{u}You may change the target of a
spell or ability that would target another creature you control to Therro. Prevent all damage that would be
dealt to Therro this turn.
Kazoo Anthem-Whenever Therro attacks, you may
pay {1}{w}{u} If you do, tap a target creature. It
doesn't untap during its controller's next untap step.
Heroic Sacrifice- When Therro dies, you may
return a target creature card with converted mana
cost 3 or less from a gra