Wouldn't mind seeing Lilies become Aura-Like party-wide minor buffs that could be consumed for a concentrated effect. (Disclaimer: I'm using random numbers rather than anything that'd be balanced)

1st Lily - (Activated by Healing a set amount of HP for your Party) Passive HP/MP/TP Regen for the Party. Consume this lily to restore 10% HP/MP/TP to the Party.
2nd Lily - (Activated by Dealing a set amount of Damage during Combat) Passive +5% Damage increase for the Party. Consume this lily to increase the Party's Damage by 20% for 30 Seconds.
3rd Lily - (Activated when the other two are activated) Passive decrease in damage taken by 10%. Consume this lily to purge all debuffs from the entire Party.