What are the official rulings for Angel's Herald?
user
0. To activate the ability, you must sacrifice three different creatures. You can’t sacrifice just one three-colored creature, for example.
1. 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.
2. You may sacrifice the Herald itself to help pay for the cost of its ability.
assistant