Target creature can't block this turn. Draw a card.
Legalities
Not Legal
Standardbrawl
Brawl
Future
Alchemy
Pioneer
Historic
Standard
Gladiator
Oldschool
Historicbrawl
Explorer
Penny
Timeless
Legal
Duel
Penny
Legacy
Modern
Pauper
Vintage
Commander
Premodern
Paupercommander
Predh
Oathbreaker
Rulings
2004-10-04
You can use it after combat or even on a creature which can’t possibly block this turn because it’s that player’s turn to attack, but it generally has no effect other than to let you draw a card.