Ithrax, Prophet of a New Era

Spend only colored mana to pay X
Flash, haste
Ithrax, Prophet of a New Era is all colors and enters
the battlefield with X dream counters on it.
{t}, remove a dream counter from Ithrax, Prophet
of a New Era: Counter target spell you own
with converted mana cost X.
For the rest of the game anytime you cast a spell
you may cast a copy of the spell you countered
this way.