Text(P3): Play ~this~ only after you're attacked, before you declare
blockers. ; Destroy any one attacking creature.
When played under non-Portal rules, the text should be read as an Instant
that reads "Play ~this~ only during an opponent's declare attackers
step. ; Destroy target attacking creature." [D'Angelo 2000/07/29]
All tournament formats have banned this card because it only appears in
Portal.