Mox Opal [Kaladesh Inventions] 89 000 Type: Creature — Demon

000 Type: Creature — Demon Rarity: Rare Cost: {5}{R} Flying

then exile the top card

Editor in Chief enters the battlefield with your choice of a +1/+1

Set: Nintendo: Black Star Promos Type: Lightning Rarity: Promo Retreat cost: 0

Unsealed is also a Rebel with "You can't get poison counters

Mox Opal [Kaladesh Inventions] 89 000 Type: Creature — DemonSet: Kaladesh Inventions Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft {T}: Add one mana of any color. Activate only if you control three or more artifacts. On loan from a private collection, this unique mechanism extracts power from a carefully prepared gemstone.