Mox Opal [Kaladesh Inventions]Set: 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.

"Wasted potential surrounds us

"Her hunger knows no limit

Which realm would you rather rule

"Family plots are so convenient

Though many think of Wolves as solitary predators

{1}{R}: Dragons you control get +1/+0 until end of turn

A master of tactics

Set: Modern Masters 2015 Type: Instant Rarity: Rare Cost: {1}{U}{U}{U} Choose two —

These days

Set: Antiquities Type: Land — Urza's Tower Rarity: Uncommon {T}: Add {C}

• Equipped creature gets +2/+2 until end of turn

Set: Archenemy Type: Instant Rarity: Uncommon Cost: {1}{W/B} Prevent all combat damage that would be dealt this turn if {W} was spent to cast this spell