Sewers of Estark

Instant, 2BB (4)
Choose target creature. If it's attacking, it's unblockable this turn. If it's blocking, prevent all combat damage that would be dealt this turn by it and each creature it's blocking.¹
Illus. Melissa Benson

Gatherer Card Rulings [Nov 2009]

• 8/1/2008: This spell can target any creature. The check for whether that creature is attacking or blocking made on resolution, and it will have the appropriate effect at that time.
• 8/1/2008: If the creature is neither an attacking creature nor a blocking creature at the time the spell resolves, it will have no effect.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/4)	Harper Prism Promos (Special)