Breaker Helm Protos [JDG046] (Promo) Cold Foil

When this defends, you may discard a Hyper Driver. If you do, draw a card and this gets +1[DEFENSE] until end of turn. Temper (When the combat chain closes, if this defended, put a -1[DEFENSE] counter on it, then if it has 0[DEFENSE], destroy it.)