Watatsumi of the Burnt Sea

Ward {1}
each instant and sorcery in your hand is arcane in
addition to its other types During your turn each
instant and sorcery in your hand has "splice onto arcane
{x}"where x is the spell's mana value(As you cast an
Arcane spell, you may reveal this card from
your hand and pay its splice cost. If you do, add this card's
effects to that spell.)