Become the Arknight (ARC083) Unlimited Edition - Arcane Rising

Viserai Specialization (You may only have Become the Arknight in your deck if your hero is Viserai.) You may discard an action card. If you discard an attack action card this way, search your deck for a Runeblade 'non-attack' action card, reveal it, and put it into your hand. If you discard a 'non-attack' action card this way, search your deck for a Runeblade attack action card, reveal it, and put it into your hand. Shuffle your deck. Go again