When Bam attacks, play a 1/1 Yeti Spy.
Shift 4: Transform a card of your choice in the enemy Market into a 1/1 Yeti Spy.
Card sounds may differ from in-game as they get updated.
Market - Merchants allow you to store up to five cards in your Market when you build a deck. When cards are retrieved from a Market, they are drawn.
Shift - When played, you may instead pay the Shift cost. Shifted units can't attack, block, or be selected until they emerge.
Emerge - After three turns, Shifted units emerge and get Unblockable that turn.