Katsu
Once per Turn Effect - When an attack action card you control hits, you may discard a card with cost 0. If you do, search your deck for a card with combo, banish it face up, then shuffle your deck. You may play it this turn.

Seismic Surge
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.