Eve, Code: Sariel

Flash, Haste, Double Strike, Flying
This creature cannot be countered.
When this creature enters the battlefield, Detain target permanent and/or counter target spell.
{x}{c}, {t}: This creature deals X damage to up to four target creatures and/or players.
{w}{b}{c}, {t}: Destroy all other creatures with Flying. Put a -1/-1 counter on this creature.
"Code: Sariel, activate."