Because we have to pay to cast Marath and pay to take the +1/+1 counter off of him, We need extra effects to have this process gain us mana
until you know what to look for
Prosper's Piling Treasure Prosper, Tome-Bound | Illustration by Yongjae Choi Commander (1) Planeswalkers (2) Chandra, Fire Artisan Chandra, Torch of Defiance Creatures (25) Academy Manufactor Arvinox, the Mind Flail Birgi, God of Storytelling Dauthi Voidwalker Dire Fleet Daredevil Dockside Extortionist Dream Devourer Etali, Primal Storm Goldspan Dragon Gonti, Lord of Luxury Grim Hireling Laelia, the Blade Reforged Magda, Brazen Outlaw Magmatic Channeler Marionette Master Mayhem Devil Mindleecher Murderous Rider Nadier's Nightblade Opposition Agent Ragavan, Nimble Pilferer Reckless Fireweaver Valki, God of Lies Wild-Magic Sorcerer Xorn Instants (6) Chaos Warp Commune with Lava Deflecting Swat Hurl Through Hell Terminate You Find Some Prisoners Sorceries (13) Blasphemous Act Demonic Tutor Feed the Swarm Ignite the Future Jeska's Will Light Up the Stage Praetor's Grasp Profane Tutor Shatterskull Smashing Throes of Chaos Toxic Deluge Vandalblast Bituminous Blast Enchantments (7) Outpost Siege Revel in Riches Share the Spoils Stolen Strategy Theater of Horrors Valakut Exploration Vance's Blasting Cannons Artifacts (12) Arcane Signet Altar of the Brood Cursed Mirror Mana Crypt Mind Stone Rakdos Signet Ruby Medallion Sol Ring Talisman of Indulgence Treasure Map Treasure Vault Uba Mask Lands (34) Blightstep Pathway Bojuka Bog Command Beacon Command Tower Dragonskull Summit Exotic Orchard Graven Cairns Haunted Ridge Smoldering Marsh Snow-Covered Mountain x11 Snow-Covered Swamp x11 Spinerock Knoll Sulfurous Springs Tainted Peak I've been enjoying my Prosper, Tome-Bound deck since Forgotten Realms was released, and boy is it fun
Stay vigilant and keep checking, in other words
