Hyatt, Veteran Spellslinger

Instant spells you cast cost {1} less to cast.
Whenever you cast an instant spell, Hyatt deals 1 damage to up to two targets.
Whenever you cast your fourth spell in a turn,
choose an instant card in your hand or graveyard.
You may cast that card without paying it's mana
cost. If that card would be put into your
graveyard from anywhere this turn, exile it
instead.