Dr. VON Scott

{t}, Sacrifice a creature you control: Spree
+{1}{b}: Target players sacrifices a creature they control with the greatest mana value.
+{1}{r}: Destroy target artifact.
+{1}{r}{b}: Destroy target enchantment.
+{r}{b}, Sacrifice Dr. VON Scott, return it to
the battlefield transformed to Dr. Everett
Scott