Give one of your units +1/+1 and Overwhelm. Draw a card. When you play the last card in your hand, draw Trade Secrets from your void, then it gets Voidbound.
Card sounds may differ from in-game as they get updated.
Advertisement
Overwhelm - A unit or spell with Overwhelm will deal any excess damage to your opponent on your turn (does not work while blocking).
Voidbound - Cards with Voidbound cannot leave the void.