Mizzium Mana Converter

This spell costs {1} less to cast for each instant and sorcery spell you've cast this turn.

Whenever you cast an instant or sorcery spell, choose one that hasn't been chosen this turn —
• Draw a card.
• Add {u} or {r}.
• Create a 3/1 red elemental creature token with
haste and decayed.
{bull} Sacrifice this artifact, it deals 4 damage to you.