Inferno Conduit

Whenever you cast an instant or sorcery spell,
Inferno Conduit deals 2 damage to any target.
At the beginning of your upkeep, you may exile
an instant or sorcery card from your graveyard.
If you do, add {r}{r}. Spend this mana only to cast instant or sorcery spells.
Harness the flames of your past to
forge the infernos of your future.