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

Set: Dominaria Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {0} {T}: Add one mana of any color among legendary creatures and planeswalkers you control

{T}: Target creature loses first strike or swampwalk until end of turn

Set: Urza's Legacy Type: Creature — Elf Rarity: Rare Cost: {3}{G}{G} Echo {3}{G}{G} (At the beginning of your upkeep

• Thunderbolt deals 4 damage to target creature with flying

Its controller creates a 2/2 blue Bird creature token with flying

Whenever Esika's Chariot attacks

patched together from a jumble of still-recognizable body parts

"The size of the obvious Fortress walls often misled foes

Knight-Cathar

Set: Commander 2016 Type: Creature — Dragon Rarity: Mythic Cost: {4}{R}{R} Flying

that Vehicle gains first strike until end of turn

Set: Limited Edition Beta Type: Instant Rarity: Rare Cost: {R}{R} Copy target instant or sorcery spell