Mage of the Issirh

Flash, intervention {g}{u} (You may cast this card
for its intervention cost if it's not your turn.)
When you cast Mage of the Issirh, if it's your turn, counter target spell. Its controller creates
a 0/1 green Plant creature token.
When you cast Mage of the Issirh, if it's not your turn, counter target spell. Its controller may cast
a copy of it. If it had a single target, it can't have the same target.