Bloodhound, Tech Tracker

+1: Target player reveals their hand. Add one mana of any combination of {r} or {g} for each card in that player's hand.
-1: Name a non-land card. Target player reveals their hand. Bloodhound deals 3 damage to that player for each card with that name revealed this way.
-7: You get an emblem with"Whenever a creature enters the battlefield under an opponents control, target creature gets +3/+3 until end your next turn