Underdome
Market price
Normal
- Near Mint
- $0.12
- Lightly Played
- $0.23
- Moderately Played
- $0.05
- Near Mint
- $0.12
- Lightly Played
- $0.23
- Moderately Played
- $0.05
Buy
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: Add 
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: Add one mana of any color. Spend this mana only to pay Un-costs.
“In that battleground of a ring, the rules aren't nearly so black and white.”
Illustrated by Matt Gaser
Rulings (1)
Feb 29, 2020
The mana produced by Underdome's last ability can be spent to pay any cost imposed by a silver-bordered card. This includes casting a silver-bordered spell, activating the ability of a silver-bordered card, or paying for abilities like the one Infernal Spawn of Infernal Spawn of Evil has.