Three mana seems like a lot for a land drop, but white takes any land ramp it can get, especially when it becomes a potent draw spell later in the game
Of course, if you are the only one with a 'counters matter' deck, you will gain the most from this effect
Not to be left out, black's Obsessive Pursuit trades quest counters for clue tokens and is a solid card in it's own right

Chaotic Rakdos | Commander | Matthew Lotti Commander (1) 1 Rakdos the Defiler Creatures (29) 1 Blade of the Oni 1 Blood Artist 1 Body Launderer 1 Butcher of Malakir 1 Chaos Defiler 1 Delina, Wild Mage 1 Dream Devourer 1 Garna, Bloodfist of Keld 1 Garna, the Bloodflame 1 Grim Haruspex 1 Harvester of Souls 1 Herald of Slaanesh 1 Hidetsugu, Devouring Chaos 1 Juri, Master of the Revue 1 Malfegor 1 Mayhem Devil 1 Midnight Reaper 1 Nightmare Shepherd 1 Pitiless Plunderer 1 Prowling Geistcatcher 1 Rekindling Phoenix 1 Sire of Insanity 1 Skyclave Shade 1 Taborax, Hope's Demise 1 Tenacious Underdog 1 Tergrid, God of Fright 1 Varragoth, Bloodsky Sire 1 Venomcrawler 1 Wave of Rats Instants (9) 1 Body Count 1 Hagra Mauling 1 Kazuul's Fury // Kazuul's Cliffs 1 Malakir Rebirth 1 Songs of the Damned 1 Thrilling Encore 1 Tibalt's Trickery 1 Valakut Awakening // Valakut Stoneforge 1 Vona's Hunger Sorceries (7) 1 Agadeem's Awakening // Agadeem, the Undercrypt 1 Last One Standing 1 Living Death 1 Rise of the Dark Realms 1 Seize the Spotlight 1 Shatterskull Smashing // Shatterskull, the Hammer Pass 1 Toxic Deluge Enchantments (10) 1 Black Market Connections 1 Demonic Embrace 1 Dictate of Erebos 1 Furnace Celebration 1 Grave Betrayal 1 Grave Pact 1 Inner Demon 1 Liliana's Contract 1 Revel in Riches 1 The Meathook Massacre Artifacts (12) 1 Arcane Signet 1 Bag of Devouring 1 Bloodthirster 1 Blade of the Bloodchief 1 Crowded Crypt 1 Everflowing Chalice 1 Expedition Map 1 Glittering Stockpile 1 Jet Medallion 1 Mind Stone 1 Rakdos Signet 1 Sol Ring Lands (32) 4 Mountain 6 Swamp 1 Ancient Tomb 1 Barren Moor 1 Blackcleave Cliffs 1 Blood Crypt 1 Bloodstained Mire 1 Bojuka Bog 1 Command Beacon 1 Command Tower 1 Crypt of Agadeem 1 Forgotten Cave 1 Graven Cairns 1 Kher Keep 1 Luxury Suite 1 Molten Slagheap 1 Nykthos, Shrine to Nyx 1 Rakdos Carnarium 1 Sokenzan, Crucible of Defiance 1 Shinka, the Bloodsoaked Keep 1 Shizo, Death's Storehouse 1 Sulfurous Springs 1 Takenuma, Abandoned Mire 1 Urborg, Tomb of Yawgmoth Rakdos the Defiler has the potential to annihilate opposing resources, but only after he's feasted on yours first

Note: the image provided are to give you a general idea of the condition of the card but do have some dust on them and glare on the sleeves
Noteworthy that it has some solid synergy with Mystical Tutor, allowing us to essentially tutor our card to our hand by activating the draw ability of the Top