name: Witch Engine
originalText: Swampwalk (If defending player controls a swamp, this creature is unblockable.)\noc\nT: Add o\nBo\nBo\nBo\nB to your mana pool. Target opponent gains control of Witch Engine. (Play this ability as an instant.)
printings: PLST, USG
text: Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)\n{T}: Add {B}{B}{B}{B}. Target opponent gains control of Witch Engine. (Activate only as an instant.)