If Reveillark was in your hand with Karmic Guide in the graveyard instead, simply evoke Reveillark to start the process
These rely on controlled scarcity and high-grade preservation, making them fundamentally different from vintage cards

Advanced Search Sets Random Syntax Release date: 2018-06-21 Aegis of the Heavens Aethershield Artificer Ajani, Adversary of Tyrants Ajani's Last Stand Ajani's Pridemate Ajani's Welcome Angel of the Dawn Cavalry Drillmaster Cleansing Nova Daybreak Chaplain Dwarven Priest Gallant Cavalry Herald of Faith Hieromancer's Cage Inspired Charge Invoke the Divine Isolate Knight of the Tusk Knight's Pledge Knightly Valor Lena, Selfless Champion Leonin Vanguard Leonin Warleader Loxodon Line Breaker Luminous Bonds Make a Stand Mentor of the Meek Mighty Leap Militia Bugler Novice Knight Oreskos Swiftclaw Pegasus Courser Remorseful Cleric Resplendent Angel Revitalize Rustwing Falcon Shield Mare Star-Crowned Stag Suncleanser Take Vengeance Trusty Packbeast Valiant Knight Aether Tunnel Anticipate Aven Wind Mage Aviation Pioneer Bone to Ash Cancel Departed Deckhand Disperse Divination Djinn of Wishes Dwindle Essence Scatter Exclusion Mage Frilled Sea Serpent Gearsmith Prodigy Ghostform Horizon Scholar Metamorphic Alteration Mirror Image Mistcaller Mystic Archaeologist Omenspeaker Omniscience One with the Machine Patient Rebuilding Psychic Corrosion Sai, Master Thopterist Salvager of Secrets Scholar of Stars Sift

shrugs off Wrath of God
Once in a while, you might see a Shivan Dragon or Kird Ape, but the color largely bore little resemblance to the red we know today
Beyond that, it taps for colorless, or you can pay 1 life to generate one mana of any color, making it a flexible piece in almost any deck