Reverse the Polarity (Extended Art) (Surge Foil) [Doctor Who] New arrivals To our horror

To our horror

Set: Mirrodin Besieged Type: Artifact Creature — Myr Rarity: Rare Cost: {3} Imprint — {T}: Exile target artifact card from a graveyard

Set: Innistrad: Crimson Vow Type: Legendary Creature — Frog Rarity: Rare Cost: {2}{G}{U} Whenever a Frog you control attacks

Set: Commander 2011 Type: Creature — Lhurgoyf Rarity: Rare Cost: {2}{B}{B} Mortivore's power and toughness are each equal to the number of creature cards in all graveyards

1x inner walkway

Reverse the Polarity (Extended Art) (Surge Foil) [Doctor Who] New arrivals To our horrorSet: Doctor Who Type: Instant Rarity: Rare Cost: {1}{U}{U} Choose one Counter all other spells. Switch each creature's power and toughness until end of turn. Creatures can't be blocked this turn. You see, before you reactivated it, I reversed the polarity of the neutron flow.