Studgnarr Troll

All other Troll creature have +2/+2.
{u}{r}{g}: Regenerate
Discard a geomancy spell : Take a troll from your graveyard of equal or less the converted manacost
of the discarded spell and put it into play tapped,
it have hexproof until the end of turn.
Some trolls claim having being born from an
hurricane, storm or other natural disasters.