Oath of the Ancient Wood | Enchantment | | Whenever Oath of the Ancient Wood or another enchantment enters the battlefield under your control, you may put a +1/+1 counter on target creature. | Dan Scott
Witchstalker | Creature | Wolf | Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Whenever an opponent casts a blue or black spell during your turn, put a +1/+1 counter on Witchstalker. | Christopher Moeller