Prophetic Prism [Mystery Booster] Mordenkainen return it to the battlefield

return it to the battlefield under its owner's control with an oil counter on it

Set: Zendikar Rising Promos Type: Sorcery Rarity: Rare Cost: {2}{B} Kicker {2}{B}{B}

Set: Zendikar Rising Type: Creature — Human Rarity: Uncommon Cost: {5}{G} Veteran Adventurer is also a Cleric

This explains why the goblins remain unaffected

Prophetic Prism [Mystery Booster] Mordenkainen return it to the battlefieldSet: Mystery Booster Type: Artifact Rarity: Common Cost: {2} When Prophetic Prism enters the battlefield, draw a card. {1}, {T}: Add one mana of any color. "The explorer who found it got a bad deal when he sold it. He merely got rich."