Magical Hack [Revised Edition] Devil or Effect Monster's effect is

or Effect Monster's effect is activated that targets a face-up Xyz Monster(s) on the field: Negate the activation and destroy it

That player or that planeswalker's controller discards seven cards

and it can block creatures with flying

it can attack all Special Summoned monsters your opponent controls

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Magical Hack [Revised Edition] Devil or Effect Monster's effect isSet: Revised Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one basic land type with another. (For example, you may change "swampwalk" to "plainswalk." This effect lasts indefinitely.)