Oaken Siren
Artifact Creature — Siren Pirate
[[ keyword: "Flying" ]], [[ keyword: "vigilance" ]]
: Add . Spend this mana only to cast an artifact spell or activate an ability of an artifact source.
The ship's carpenter adorned the figurehead with a small cosmium gem, never expecting the figurehead to take flight.
Lars Grant-West
Rulings
An "artifact source" is any object with the card type artifact. This means you could spend the mana to activate an ability of an artifact you control or an artifact card in your hand or graveyard, for example.
(wotc • 2023-11-10)
Rulings
An "artifact source" is any object with the card type artifact. This means you could spend the mana to activate an ability of an artifact you control or an artifact card in your hand or graveyard, for example.
(wotc • 2023-11-10)