Necronomicon

Whenever you cast a Necro spell, choose one
•If it was white, gain 3 life
•If it was blue, target player mills 3 cards
•If it was red, destroy target artifact
{bull}If it was green create a 1/4 elder thing token
{bull}If it was black each player sacrifices a non-black creature
Whenever a player loses life gain 1 life
Necronomicon can be your commander
It is