Matt, Izzet Dynamo

Whenever you cast or copy an instant or sorcery
spell, put a jolt counter on Matt, Izzet Dynamo.
{t}: Add X {u/r}, where X is the number of jolt
counters on Matt, Izzet Dynamo.
Use this mana only to cast spells with X in their
mana cost
When asked how much power is required, Izzet mages always answer "more."