As an additional cost to cast this spell, sacrifice any number of creatures.Create an X/X blue and black Zombie creature token with menace, where X is the total power of the sacrificed creatures.Flashback (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)
Vigilance (Attacking doesn't cause this creature to tap.)When Briarbridge Tracker enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")As long as you control a token, Briarbridge Tracker gets +2/+0.
Vigilance (Attacking doesn't cause this creature to tap.)When Briarbridge Tracker enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")As long as you control a token, Briarbridge Tracker gets +2/+0.
Choose up to two target creature cards in your graveyard. An opponent chooses one of them. Return that card to your hand. Return the other to the battlefield under your control. It gains haste. Exile it at the beginning of the next end step.Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)