Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
{T}: Add {B}{B}{B}{B}. Target opponent gains control of this creature. (Activate only as an instant.)
Mana cost
5
B
Mana value
6
Printings
From
$0.27
EDHREC rank
#23222
Buy
Formats
Legacy
Legal
Vintage
Legal
Commander
Legal
Rulings
1 Apr 2008
Because the ability is targeted, it is not a mana ability. It can only be activated when you have priority, and goes on the stack like other non-mana abilities.