Ferocity
{1}{G}
Enchantment -- Aura
Enchant creature
Whenever enchanted creature blocks or becomes blocked, you may put a +1/+1 counter on it.
Gift of the Woods
{G}
Enchantment -- Aura
Enchant creature
Whenever enchanted creature blocks or becomes blocked, it gets +0/+3 until end of turn and you gain 1 life.