Necromechanical Savant

Affinity for Artifacts
{b/g}{b/r}: Exile 3 Zombie Creatures from your Graveyard, Artifacts you control gain indestructible until the end of turn
During your Upkeep: you can discard 1 Zombie, for the rest of this turn Artifacts you control gain "{t} Add one many of any color" until end of turn.