Underdome
Land
UNDUnsanctioned#86common
In that battleground of a ring, the rules aren't nearly so black and white.
- Border
- silver
- Frame
- 2015
- Pull rate
- about 5 per booster
- Illustrator
- Matt Gaser
- Found in
- Unsanctioned
CommanderNot legalModernNot legalStandardNot legal
Format legality
AlchemyNot legal
BrawlNot legal
CommanderNot legal
Competitive BrawlNot legal
DuelNot legal
Future StandardNot legal
GladiatorNot legal
HistoricNot legal
LegacyNot legal
ModernNot legal
OathbreakerNot legal
Old SchoolNot legal
PauperNot legal
Pauper CommanderNot legal
PennyNot legal
PioneerNot legal
PreDHNot legal
PremodernNot legal
StandardNot legal
Standard BrawlNot legal
TimelessNot legal
Tiny LeadersNot legal
VintageNot legal
: Add 
.
: Add one mana of any color. Spend this mana only to pay Un-costs.Plays as: Mana Fixer
Market · per finishspark updated 18m ago · prices as of 2026-07-12
Nonfoil+0.0%
$0.11
$0.01 low$0.00 gap
Finish
Market
Δ 7D · Trend
Low
Buylist
Buy / Sell Gap
Nonfoil
$0.11as of 2026-07-12
+0.0%
H $0.23L $0.08since Feb 2024$0.01
$0.01
$0.000% · normal spread
VenuesHide venues
Low: tcgplayer
Buylist: cardkingdom
Cheapest playable copy$0.11· across 1 printing
Rulings
1 · latest Feb 29, 2020 · one tap opens all
- WotCFeb 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.