Briarbridge Patrol
{3}{G}
Creature -- Human Warrior
3/3
Whenever ~this~ deals damage to one or more creatures, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice ~this~: Draw a card.")
At the beginning of each end step, if you sacrificed three or more Clues this turn, you may put a creature card from your hand onto the battlefield.