Lilith, the Primordial Witch

Flash, flying, hexproof, first strike, deathtouch
Spellcaster (Instants and sorceries you cast cost {1} less.)
When Lilith enters the battlefield you may counter
one spell or ability.
All fairies gain +1/+1 and ward {1} as long as Lilith is
on the battlefield.
Spells your opponent cast cost {1} more.