Octillery

You may sacrifice a creature named Remoraid rather than pay this spells mana costs.
Octillery's power is equal to the number of cards in your hand.
{t}: Detain target tapped creature.
{u}, {t}: Choose one —
• Octillery deals damage equal to its power plus 2
to target creature.
• Blue creatures you control have hexproof and
flanking until end of turn.