Any opponent who casts this spell is looking to end the game that turn

"Lifetime" Pass Holder A Trail of Teacups Abduction Aberrant Mind Sorcerer Absolver Thrull Acolyte of Affliction Admiral Brass, Unsinkable Adwal, Breaker of Chains Agency Outfitter Ainok Wayfarer Airlift Chaplain Ajani's Aid Altar of the Wretched Amphin Mutineer Anathemancer Angel of Indemnity Angel of Sanctions Animate Dead Antique Collector Archfiend of Sorrows Archpriest of Shadows Arid Archway Ascendant Dustspeaker Ashiok's Forerunner Balustrade Spy Barrowin of Clan Undurr Bazaar of Wonders Bedlam Reveler Belfry Spirit Belonging Bitter Chill Bladewing's Thrall Blanchwood Prowler Blind Hunter Blood Fountain Blood Operative Blood Spatter Analysis Bloodwater Entity Body Snatcher Boneclad Necromancer Bonny Pall, Clearcutter Bookwurm Brass's Tunnel-Grinder Brazen Buccaneers Broodspinner Brotherhood Outcast Builder's Talent Callous Bloodmage Canoptek Scarab Swarm Canoptek Tomb Sentinel Capricious Hellraiser Carnage, Crimson Chaos Carrion Cruiser Carrion Imp Carrion Locust Cauldron Familiar Cavalier of Dawn Cavalier of Thorns Cemetery Desecrator Cemetery Gatekeeper Cemetery Protector Cemetery Tampering Cenote Scout Champion of Wits Chandra's Firemaw Charforger Charred Graverobber Chthonian Nightmare Clandestine Meddler Clattering Augur Clay-Fired Bricks Cleanup Crew

Then you give a crab like Charix, the Raging Isle a sneaky attack, and players will be swept away faster than a weak surfer on Hawaii's North Shore
There have been plenty of Magic: The Gathering crossovers going in the other direction sourcebooks that allow you to create a D&D campaign inside the worlds of Magic
What can be confusing is that WotC decided to tweak Culler's reminder text in a way that, if that's the only warp card you see, you wouldn't be wrong in assuming warp cards can be cast from the graveyard
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