Once per Turn Action - [1 Resource]: Attack
If Dawnblade hits, and it's the second time it has hit this turn, put a +1 [Power] counter on Dawnblade.
At the beginning of your end phase, if Dawnblade did not hit this turn, remove all +1 [Power] counters from Dawnblade.
At the beginning of your action phase, destroy Seismic Surge then the next Guardian attack action card you play this turn costs [1 Resource] less to play.