Blind Obedience [Commander 2017] Shadows over Innistrad Prerelease Promos Counter target spell if its

Counter target spell if its mana value is X

then put a number of +1/+1 counters on Yule Ooze equal to that permanent's converted mana cost

You may put it into your graveyard

put that many +1/+1 counters on Tetravus

be ready to fight them all

Blind Obedience [Commander 2017] Shadows over Innistrad Prerelease Promos Counter target spell if itsSet: Commander 2017 Type: Enchantment Rarity: Rare Cost: {1}{W} Extort (Whenever you cast a spell, you may pay {W B}. If you do, each opponent loses 1 life and you gain that much life.) Artifacts and creatures your opponents control enter the battlefield tapped. "By the time your knees have worn through your robe, you may have begun to learn your place."