Sphinx's Herald | Magic: The Gathering
Formats Sphinx's Herald is Legal in
Official Oracle Text for Sphinx's Herald
Official Rulings for Sphinx's Herald
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.