Cards discarded by Peer Past the Veil become playable again with Coram, the Undertaker on your battlefield
Honorable Mention #2 Sakura-Tribe Elder There was a time when I think we would all seriously consider an argument that STE was one of the top five land fetchers of all time
It can also be paired with Noxious RevivalNoxious Revival to mimic the Charmbreaker DevilsCharmbreaker Devils trick, or it can be paired with Angels GraceAngels Grace to act as another Sundial of the InfiniteSundial of the Infinite (or just be a repeatable FogFog)
You may cast spells from your graveyard
If you want to know what gifts await, Mike Turian's Collecting Innistrad: Crimson Vow article has everything you can find

Academic Dispute Academy Raider Accelerate Akki Ronin Akki Scrapchomper Akoum Flameseeker Aleatory Amber Gristle O'Maul Ambitious Assault Ancestral Anger Arterial Alchemy Artist's Talent Ashling, Flame Dancer Ashling, Rekindled Axiom Engraver Balduvian Rage Battlefield Scavenger Bedlam Reveler Belligerent Guest Bestial Fury Big Score Big Wheel Bitter Reunion Blindblast Blood Petal Celebrant Blood Sun Bloodfire Mentor Bloody Betrayal Boiling Blood Boundary Lands Ranger Brand Brass's Tunnel-Grinder Burning-Tree Vandal Burnout Case of the Crimson Pulse Chandra's Defeat Chandra's Regulator Chandra, Spark Hunter Change of Fortune Chaotic Strike Charging Strifeknight Charming Scoundrel Clamorous Ironclad Cleansing Wildfire Cloudpiercer Common Iguana Conspiracy Theorist Cool but Rude Crash Through Crimson Wisps Cunning Maneuver Curse of Chaos Day of the Moon Decaying Time Loop Decree of Annihilation Deem Worthy Demand Answers Demonic Ruckus Desert Cerodon Desperate Ravings Destructive Digger Discerning Peddler Dismissive Pyromancer Dragon Mantle Drannith Stinger Electric Revelation Ember Shot Enthusiastic Study Epiphany Storm Exocrine Expedite Explosion of Riches
