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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.)
Abilities, attacks, weakness & resistance
Other cards from Urza's Saga
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Witch Engine (USG 169) is a black Creature — Horror from Urza's Saga. It has swampwalk and an activated tap ability that produces four black mana but gives the targeted opponent control of the creature. The card functions as a high-impact mana sink/tempo piece that trades the creature for a burst of mana when activated.
Catalog pricing data as of 22 Apr 2026, 12:06