Athena, Wise Overlord

Athena, Wise Overlord is blue in addition to her other colors
{t}{4}:Add {u},{u} to your mana pool, this mana can cast any spells or activate abilities with blue mana even if your commander is other colors.
Blue creatures you control have +2/+3, cannot be blocked, and cannot be countered, including this one
"Look! Her first assassination!"-Cayden