Ambiguity
UNH · #24 · rare · {2}{U}{U}
Enchantment
Whenever a player plays a spell that counters a spell that has been played or a player plays a spell that comes into play with counters, that player may counter the next spell played or put an additional counter on a permanent that has already been played, but not countered.
LEGALITY
No listed paper-format legality.
TCGPlayer market (Guide)
One observation so far — today's. A single point is not a trend; the line grows a point per day from here.
Prices
Guide
$0.80
TCGPlayer Near Mint market. Not a sold price.
Foil guide
$6.73
TCGPlayer foil market. Separate from the non-foil price.
Recent sold
$0.55
Latest TCGPlayer sale.
Current asks
$7.18
Median of current eBay listings. Asking prices, not sold prices.