Orb of Dragonkind
Artifact
, 
: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells or activate abilities of Dragons.
, , Sacrifice this artifact: Look at the top seven cards of your library. You may reveal a Dragon card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Brian Valeza
Rulings
A Dragon card is a card with the creature type Dragon in its type line. Similarly, a creature on the battlefield is a Dragon if it has the Dragon creature type. A card that has “Dragon” in the name (such as Orb of Dragonkind) isn't a Dragon card unless it also has the Dragon creature type.
(wotc • 2021-07-23)
Printings
Rulings
A Dragon card is a card with the creature type Dragon in its type line. Similarly, a creature on the battlefield is a Dragon if it has the Dragon creature type. A card that has “Dragon” in the name (such as Orb of Dragonkind) isn't a Dragon card unless it also has the Dragon creature type.
(wotc • 2021-07-23)