Cutharus, The Worldtide

Eminence - As long as Cutharus, The Worldtide is in the command zone or on the Battlefield, Kraken and Leviathan spells you cast cost {2} less to cast and have Islandwalk.
Shroud, Trample
Whenever a Kraken or Leviathan creature dies, each player puts top X cards from there Library into ther graveyard,
where X is the converted Mana cost of that creature. Then you may cast target instant or sorcery card from an opponents graveyard without paying its mana cost. If that card would be put into a grav