Coin Flipping

You flip a coin and receive a random effect: an attack boost or a defense boost. Heads: P. Atk. +6% M. Atk. +12% Atk. Spd. +6% Cast. Spd. +6%. Tails: P. Def. +6% M. Def. +8% Resistance to de-buffs +12% Incoming Heal Power +12%. Duration: 300 sec. Can't be used for 30 sec after joining a party. Effect only works while in a party with the caster.