{R} Counterbalance [Secret Lair Drop Series][SLD 1220]

Title
$18.25
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Enchantment
Rare
Rope Arrow
NOT LEGAL
Standard
NOT LEGAL
Future
NOT LEGAL
Historic
NOT LEGAL
Timeless
NOT LEGAL
Gladiator
NOT LEGAL
Pioneer
LEGAL
Modern
LEGAL
Legacy
NOT LEGAL
Pauper
LEGAL
Vintage
NOT LEGAL
Penny
LEGAL
Commander
LEGAL
Oathbreaker
NOT LEGAL
Standardbrawl
NOT LEGAL
Brawl
NOT LEGAL
Competitivebrawl
NOT LEGAL
Alchemy
NOT LEGAL
Pauper Commander
LEGAL
Duel
NOT LEGAL
Oldschool
NOT LEGAL
Premodern
LEGAL
Predh
NOT LEGAL
Tlr
Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.