Astaroth, the Wanderer

{r}{r}{r} Eldritch Blast: Astaroth gets +3/+0 until
the end of the turn.
{x}{r/w} Witch Bolt: Astaroth gets +x/+0 until the
end of the turn, where {x}equals the total number
of lands tapped to activate this effect. Add +1/+0
extra for every white land used.
{1}{b}{t} Armour of Agathys: Astaroth gets +0/+2
and deathtouch. Can only be used once.
I was born to prevent a prophecy. I lived to
make it come true.