Put an enemy unit into its owner's hand, plus an additional enemy unit for each of your units with Endurance.
Card sounds may differ from in-game as they get updated.
Endurance - Units with Endurance ready at the start of each players turn, so they can attack and still be ready to block during the enemy turn. Additionally, they are completely immune to enemy stun and exhaust effects.
Warp - You can see cards with Warp when they are on top of your deck, and you can play them as if they were in your hand.