Riptide Reclamation

Draw a card if {u} was spent to cast Riptide Reclamation and target player discards a card if {b} was spent to cast it.
Flashback {1}{u/b}
---{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}{dash}
Beneath waves, light, and tides, there is the deep, into which all things return.