2012-05-01 : A creature spell that's both an Angel and a Human will cost {1} less to cast for each +1/+1 counter on Herald of War.

2012-05-01 : If there are additional costs to cast a creature spell, such as a kicker cost, apply those increases before applying cost reductions.

2012-05-01 : The +1/+1 counter is put on Herald of War before blockers are declared and combat damage is dealt.

2012-05-01 : The cost reduction is based on the total number of +1/+1 counters on Herald of War, not just the ones put on it by its own ability.