Noah, Goat of Wizardry

If this card is your commander, you may have an instant or sorcery card also your be commander. Commander tax only applies if the card was countered.
When you cast a instant or sorcery card from
your command zone, you may copy it. Activate
this ability only once each turn.
Instant and sorcery spells you cast cost {1} less to
cast for each time you have cast them this game.
The cost cannot be reduce by more than {3} this
way.