Battle-Rattle Shaman
Rise of the Eldrazi — common
Creature — Goblin Shaman
Battle-Rattle Shaman rulings:
2017-03-14: Battle-Rattle Shaman's ability triggers when the beginning of combat step starts during each of your turns. It resolves before you declare attackers.
2017-03-14: If a spell or ability causes your turn to have multiple combat phases, Battle Rattle Shaman's ability triggers during each of them.