Master of Fire and Ice

Whenever you cast a blue instant or sorcery tap
target creature.
Whenever you cast a red instant or sorcery,
Master of Fire and Ice deals 1 damage to target creature. If that creature is tapped, Master of
Fire and Ice deals 3 damage to that creature
instead.
Whenever you cast an instant or sorcery that is
both red and blue, create a white aura
enchantment token named Mana Shield with
totem armor attached to Master of Fire and Ice.