Mauvrion Skies (Blue) [1HV024] (Historic Pack 1 Blitz Deck Viserai)

The next Runeblade attack action card you play this turn gains Go again and "When this hits, create a Runechant token." (It's an aura with "When you play an attack action card or activate a weapon attack, destroy Runechant and deal 1 arcane damage to target opposing hero.") Go again