Arioch, the Pillar

As Arioch, the Pillar enters the battlefield or at
the beginning of your upkeep, choose a color.
Whenever you cast a spell of the chosen color,
choose one:
• Arioch deals 1 damage to each opponent.
• Draw a card. If you do, discard a card.
• Add one mana of the chosen color to your mana
pool.
"It is said that he had a direct hand in shaping the
multiverse, purely on a whim. I think he just
got bored in isolation."