1." A player controls a card that says "Units you play cost [A] less." That player plays Clockwork Keeper and chooses to pay the optional additional cost of [C]. They will draw a card, even though the optional additional cost was reduced to 0. 1. Identify which effect Depends on the other within the Layer. 1 opponent each No teams 1 will be used, chosen during setup. 1 opponent each No teams 1 will be used, chosen during setup. 1 teammate