Having a repeatable way to copy spells in the Command Zone is very strong indeed
Another Chance Ashcoat of the Shadow Swarm Bane-Marked Leonin Billowing Shriekmass Bitter Revelation Black Widow, Daring Operative Bloodcurdler Carrion Cruiser Carrion Grub Cauldron's Gift Clandestine Work Commune with Evil Consuming Ashes Corpse Churn Corroding Dragonstorm Crow of Dark Tidings Cruel Truths Daggerfang Duo Dark Bargain Darkblast Dawnhand Eulogist Deadeye Tracker Deadly Visit Deal Gone Bad Deathcap Marionette Desperate Bloodseeker Dig Up the Body Diresight Discerning Taste Dogged Detective Doom Whisperer Doom's Servo-Guards Doombot Harbinger Dread Osseosaur Dread Summons Dreadhound Eerie Soultender Extractor Demon Eyeblight Cullers Failed Conversion Flitting Guerrilla Forsaken Drifters Funeral Rites Geth, Lord of the Vault Golgari Thug Gorging Vulture Grave Strength Grim Bauble Gutless Plunderer HYDRA Troopers Hostile Negotiations Innocuous Rat Keskit, the Flesh Sculptor Killer's Mask Koma's Faithful Kroble, Envoy of the Bog Liliana's Indignation Liliana, Death's Majesty Liliana, Untouched by Death Liliana, the Last Hope Lo and Li, Royal Advisors Madame Hydra, Reanimated Mephitic Vapors Mindwrack Demon Mindwrack Harpy Mire Triton Monstrous War-Leech Moonlight Bargain Morgue Thrull Namazu Trader Necromancer's Assistant
Hopefully that example gave a basic sense of what you should be thinking about when building a mana base
It offers both aesthetic appeal and collector value at a reasonable price
(2013-09-20) Replacement effects that modify creatures of a certain type as they enter the battlefield will apply (or not apply) after you apply this effect
This is a commander perfectly capable of winning through commander damage, and the hybrid mana symbol in its casting cost is a nice touch (Perfect Hybrid)
