Jeremy, Eye of the Storm

Whenever you cast an instant or sorcery spell
with converted mana cost 4, 5 or 6, Jeremy
deals 4 damage to any target.
Whenever you cast an instant or sorcery spell
with converted mana cost 7 or greater, Jeremy
deals 4 damage to each opponent and each
creature that player controls.
At the beginning of your upkeep, draw a card
then discard a card.