Delayed Blast Fireball is $15, and Fierce Guardianship is the most expensive MTG card I can remember seeing in a Secret Lair, a $40 card that Commander players love
Ideally youd like to pass this between yourself and another player, but I could see games where your opponents just play keep away with your commander for much of the game while drawing a bunch of extra cards, which seems like a pretty big downside that you could mitigate to some degree with cards like Homeward Path and Sword of Hearth and Home
Repeated resurrection of huge threats like Avacyn, Angel of Hope, Kokusho, the Evening Star, or Vorinclex, Voice of Hunger for a mere 3 mana is simply more than many pods can bear
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The mechanic itself is good
Set Code: EOE Click on any card to see more graded card prices, historic prices, and past sales