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{1}{B/R}: Switch a Killbot or Mary O'Kill in your hand with one on the battlefield. (If a creature is tapped, the switched creature is tapped. The same is true for untapped, attacking, blocking, enchanted, equipped, and targeted. Any counters on a creature are on the switched creature instead.)
Abilities, attacks, weakness & resistance
Other cards from Unstable
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Mary O'Kill (UST-138) is a Legendary Creature — Human Villain from Unstable. It has an activated ability for {1}{B/R} that swaps Mary or a Killbot in your hand with one on the battlefield, preserving tapped/untapped status, attachments, counters, and targeting. The card interacts specifically with Killbot creatures and can be used from your hand to replace battlefield creatures, enabling tricksy board swaps.
Catalog pricing data as of 18 Apr 2026, 21:19