Emrukal Sliver

Whenever you cast a sliver spell, copy that spell.
Sliver spells have flash, cascade.
Sliver spells have forecast {b/g}{b/r}{g/u}{g/w}{r/g}{r/w}{u/b}{u/r}{w/b}{w/b}Copy this spell. You may cast the copy without paying it's mana cost.
Whenever you cast a sliver, scry x where x is it's converted mana cost