Witch Engine - Urza's Saga - 169

Creature — Horror

Mana Cost: {5}{B}

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.)

P/T: 4/4

Rare · Urza's Saga · #169 (USG)

Illustrated by Kev Walker