Whenever this creature attacks, it gets +1/+1 until end of turn for each untapped creature you control.
Mana cost
G
W
Printings
From
$0.24
Buy
Formats
Modern
Legal
Legacy
Legal
Vintage
Legal
Commander
Legal
Rulings
1 May 2009
The number of untapped creatures you control is counted as the ability resolves, and the bonus is locked in at that time. By this point, other attacking creatures will already be tapped (unless they have vigilance).