Mox Opal [Modern Masters 2015]Set: Modern Masters 2015 Type: Legendary Artifact Rarity: Mythic Cost: {0} Metalcraft {T}: Add one mana of any color. Activate only if you control three or more artifacts. The suns of Mirrodin have shone upon perfection only once.

- 30 Cards with special art in the Trainer Gallery subset

you'll understand why

Set: Sun & Moon: Cosmic Eclipse Type: Colorless Rarity: Ultra Rare Retreat cost: Colorless

Set: Eldritch Moon Prerelease Promos Type: Creature — Spirit Cleric Rarity: Rare Cost: {1}{W} Flying

in your deck if your hero is Bravo

you may destroy another target creature

Set: Sword & Shield: Lost Origin Type: Fire Rarity: Secret Rare Retreat cost: Colorless

Activate this ability only if a weapon you control has hit this turn

Whenever a player casts a spell with mana value equal to the number of charge counters on Chalice of the Void

Set: Team Rocket Unlimited Type: Lightning Rarity: Holo Rare Retreat cost: Colorless

When Relentless Dead dies

Destroy target nonland permanent with mana value 3 or less