Hskan Wood-Wraith

Unending Mass (Hskan Wood-Wraith can have any number of copies on the battlefield)
{b/g}{t}: Summon a copy of Hskan Wood-Wraith.
The summoner of Hskan Wood-Wraith may pay {b/g}{b/g} when summoning Hskan Wood-Wraith to summon 2 copies of Hskan Wood-Wraith