Arcane Signet (Retro) [30th Anniversary Promos] Runeblade Shadow Whenever you cast an instant

Whenever you cast an instant or sorcery spell

) Instant -- {r}{r}{r}: Reveal the top card of your deck

- Discard a 'non-attack' action card

Set: Welcome to Rathe Edition: Alpha Print Finish: Rainbow Foil Type: Action Subtype: Attack Rarity: Rare Class: Brute Cost: 2 Power: 5 As an additional cost to play Breakneck Battery

Set: Promo Finish: Cold Foil - Golden Type: Equipment Subtype: Chest Rarity: Promo Class: Generic Action - Destroy Heartened Cross Strap: The next attack action card you play this turn costs [2 Resource] less to play

Arcane Signet (Retro) [30th Anniversary Promos] Runeblade Shadow Whenever you cast an instantSet: 30th Anniversary Promos Type: Artifact Rarity: Rare Cost: {2} {T}: Add one mana of any color in your commander's color identity.