祖灵径道 (Path of Ancestry) (zhs)
Path of Ancestry enters the battlefield tapped.
: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
- [MOC] March of the Machine Commander #418 (C)