Heraldo del dragón

Text:

, , sacrificar una criatura negra, una criatura roja y una criatura verde: Busca en tu biblioteca una carta llamada Engendro supremo y ponla en juego. Luego baraja tu biblioteca.

Rulings:

• 10/1/2008 To activate the ability, you must sacrifice three different creatures. You can’t sacrifice just one three-colored creature, for example.
• 10/1/2008 You may sacrifice multicolored creatures as part of the cost of the search ability. If you sacrifice a multicolored creature this way, specify which part of the cost that creature is satisfying.
• 10/1/2008 You may sacrifice the Herald itself to help pay for the cost of its ability.