Parallax Wave [Nemesis] Phyrexian Zombie put a +1/+1 counter on

put a +1/+1 counter on Khabál Ghoul for each creature that died this turn

There is some force at work that stifles even the will to go on

Activate only during your upkeep and only once each turn

Keranos isn't a creature

Set: Revised Edition Type: Creature — Human Assassin Rarity: Rare Cost: {1}{B}{B} {T}: Destroy target tapped creature

Parallax Wave [Nemesis] Phyrexian Zombie put a +1/+1 counter onSet: Nemesis Type: Enchantment Rarity: Rare Cost: {2}{W}{W} Fading 5 (This enchantment enters the battlefield with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.) Remove a fade counter from Parallax Wave: Exile target creature. When Parallax Wave leaves the battlefield, each player returns to the battlefield all cards they own exiled with Parallax Wave.