Athena, Kinetic Gladiator

Cooldown, Looting
{2}, Put three cooldown counters on
Athena, Kinetic Glaiator: The next time a
source of your choice would deal damage to
it this turn, prevent that damage. If damage
is prevented this way, Athena, Kinetic
Gladiator deals damage to another target
creature equal to half of that damage,
rounded up.