If casting sorceries for free is just too much power, consider treating each of the Heros Path sorceries as colorless cards with mana costs of 0, 1, 2, or 3 colorless mana, depending on what your group is comfortable doing
Youre going to end up with the same amount of cards overall, but its an idea that means youre more likely to stick to your commanders colour identity
Number 152 Language English Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (4/15/2013) Returning Maze's End to its owner's hand is part of the cost to activate its last ability
Also, although this is the artifacts matter set, artifacts of specific colors is still a way off
The fact is, even though 1st Edition Charizard cards can sell for around $26,000 , it tends to be graded cards only that go for this price
See it as a glorified tutor that can act as a protection outlet in a pinch