Diablo, Prime Evil

Trample
Diablo costs {1} less to summon for each
devotion to black or red.
If there is an Archangel on the battlefield,Diablo gains
haste but may only targetthat creature.
When Diablo enters the field, each players
life points are multiplied by 10.
Diablo may be summoned from anywhere.
Diablo has decided to toy with you to make
your defeat a little more fun