Thaumaturgic Neologist

Wizard offering (You may cast this card any time
you could cast an instant by sacrificing a Wizard permanent. If you do, the total cost to cast this card is reduced by the sacrificed permanent's mana cost.)
Wizards you control get +1/+1 for each instant or sorcery card you own in exile.
Wizard, instant and sorcery cards you own have
jump-start.