Contents: Master Mold (I) and Master Mold (II). (Master Mold (II) and Master Mold (III) for expert mode.) Master Mold, Sentinels, and Standard sets. One modular set (Zero Tolerance).

Setup: Put the Magneto Ally (172B) into play under the first player's control.

Each Sentinel minion gains guard.

When Revealed: Each player discards cards from the encounter deck until they discard a Sentinel minion, then puts it into play engaged with them.