Glethiol, Archmage of Ghet

Deathtouch, Haste, Hexproof.
When Glethiol, Archmage of Ghet enters the battlefield, for every Magic Circle you control,
draw a card.
Magic Circle spells you control cost {3}less to cast.
{b/r}: Destroy target creature.
{u/b}: Glethiol, Archmage of Ghet deals 2 damage
to target Player or Planeswalker.
{u/r}: Destroy target nonland, noncreature
permanent.