Nightblade Brigade is a common Creature — Goblin Soldier card from Tarkir: Dragonstorm (TDM), collector number 85. Current market price: $0.21 (foil $0.30), TCGplayer market prices via Scryfall.
Deathtouch Mobilize 1 (Whenever this creature attacks, create a tapped and attacking 1/1 red Warrior creature token. Sacrifice it at the beginning of the next end step.) When this creature enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)