Urza, Lord High Artificer [Modern Horizons] Island Swamp Set: Kaladesh Inventions Type: Artifact

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {X} Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it

and when the pages were black with ink

the Dimir pull nine puppet strings

where he discovered the remarkable Mightstone

You may cast a spell from among those cards without paying its mana cost

Urza, Lord High Artificer [Modern Horizons] Island Swamp Set: Kaladesh Inventions Type: ArtifactSet: Modern Horizons Type: Legendary Creature Human Artificer Rarity: Mythic Cost: {2}{U}{U} When Urza, Lord High Artificer enters the battlefield, create a 0 0 colorless Construct artifact creature token with "This creature gets +1 +1 for each artifact you control." Tap an untapped artifact you control: Add {U}. {5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.