Only producing mana for cards with flashback that are in your graveyard is crazy narrow, and means the Altar doesnt even work with any other graveyard mechanics
Mechanically it's the home of unearth, dethrone, and all manner of graveyard interaction
In Commander, if your Commander is an MDFC, the tax is shared between both sides
Deadpool's Cinema Going Universes Beyond-'Pooling Around View on Archidekt Commander (1) 1 Deadpool, Trading CardDeadpool, Trading Card Sorceries (18) 1 Beacon of UnrestBeacon of Unrest 1 Blasphemous ActBlasphemous Act 1 Buried AliveBuried Alive 1 Cathartic ReunionCathartic Reunion 1 Dread ReturnDread Return 1 Faithless LootingFaithless Looting 1 Feed the SwarmFeed the Swarm 1 Harmless OfferingHarmless Offering 1 Incarnation TechniqueIncarnation Technique 1 Lidless GazeLidless Gaze 1 Living DeathLiving Death 1 ReanimateReanimate 1 Restart SequenceRestart Sequence 1 Too Greedily, Too DeepToo Greedily, Too Deep 1 Toxic DelugeToxic Deluge 1 TwinflameTwinflame 1 VandalblastVandalblast 1 Wake the DragonWake the Dragon Enchantments (3) 1 Black Market ConnectionsBlack Market Connections 1 Phyrexian ReclamationPhyrexian Reclamation 1 The Ruinous PowersThe Ruinous Powers Creatures (17) 1 AngerAnger 1 BloodthirsterBloodthirster 1 Cavern-Hoard DragonCavern-Hoard Dragon 1 Chaos DefilerChaos Defiler 1 Crimson CaravaneerCrimson Caravaneer 1 Etali, Primal StormEtali, Primal Storm 1 Flamerush RiderFlamerush Rider 1 Gimli of the Glittering CavesGimli of the Glittering Caves 1 Grave TitanGrave Titan 1 Humble DefectorHumble Defector 1 Inferno TitanInferno Titan 1 Kardur, DoomscourgeKardur, Doomscourge 1 Scourge of the ThroneScourge of the Throne 1 Shard of the Void DragonShard of the Void Dragon 1 Solemn SimulacrumSolemn Simulacrum 1 The Balrog of MoriaThe Balrog of Moria 1 The Master, MultipliedThe Master, Multiplied Lands (37) 1 Billiard RoomBilliard Room 1 Bojuka BogBojuka Bog 1 Canyon SloughCanyon Slough 1 Command BeaconCommand Beacon 1 Command TowerCommand Tower 1 Dragonskull SummitDragonskull Summit 1 Evolving WildsEvolving Wilds 1 Foreboding RuinsForeboding Ruins 1 Haunted RidgeHaunted Ridge 1 Lavaclaw ReachesLavaclaw Reaches 9 MountainMountain 1 Myriad LandscapeMyriad Landscape 1 Path of AncestryPath of Ancestry 1 Shadowblood RidgeShadowblood Ridge 1 Smoldering MarshSmoldering Marsh 1 Sulfurous SpringsSulfurous Springs 9 SwampSwamp 1 Tainted PeakTainted Peak 1 Temple of MaliceTemple of Malice 1 Terramorphic ExpanseTerramorphic Expanse 1 War RoomWar Room Artifacts (14) 1 Arcane SignetArcane Signet 1 Blade of SelvesBlade of Selves 1 Cloudstone CurioCloudstone Curio 1 Confession DialConfession Dial 1 Cursed MirrorCursed Mirror 1 Endless AtlasEndless Atlas 1 Everflowing ChaliceEverflowing Chalice 1 Gilded LotusGilded Lotus 1 Mind StoneMind Stone 1 Resurrection OrbResurrection Orb 1 Sol RingSol Ring 1 Sword of the AnimistSword of the Animist 1 Talisman of IndulgenceTalisman of Indulgence 1 Wayfarer's BaubleWayfarer's Bauble Instants (10) 1 Bituminous BlastBituminous Blast 1 Chaos WarpChaos Warp 1 Crypt IncursionCrypt Incursion 1 Deadly DisputeDeadly Dispute 1 Deadly RollickDeadly Rollick 1 DismemberDismember 1 Go for the ThroatGo for the Throat 1 Saw in HalfSaw in Half 1 TerminateTerminate 1 Unexpected WindfallUnexpected Windfall Deadpool
Being a Mega Pokemon gives it a nice bulk
