Vailor, the first Intent

As long as your devotion to each colour is
less then 2 Vailor is not a creature.
You may cast permanents for {x} less, where {x} is hlaf their converted mana cost,
rounded down.
If you cast a permanent this way put it at the
bottom of your library at the beginning of your
next upkeep.
{2},{t} the next spell you cast this turn
has Cascade