Kalcos, Elder Wurm Dragon

Flying, Trample, Islandwalk
This Creature cannot be cast from your hand.
You may discard this card from your hand to
counter target spell.
While this card is in your graveyard, roll two
6-sided dice at the beginning of your upkeep. If
you roll a combined 2 or 12, put Kalcos, Elder
Wurm Dragon onto the battlefield.