Eidolon of Uncertainty

When you cast Eidolon of Uncertainty, choose
one at random. It enters the battlefield with that
ability —
• Instant and sorcery spells you cast have storm.
• Creatures you control have evolve.
• Creature cards in you graveyard have scavenge.
{bull} Spells you cast cost {1} more to cast.
{bull} You can't cast colorless spells.
{bull} Your opponents have hexproof.