Crypt Cobra

Summon - Cobra    (CMC:4)

If Crypt Cobra attacks and is not blocked, defending player gets a poison counter. If any player has ten or more poison counters, he or she loses the game.

MI • ENRon Spencer

™ & © 1993—1996 Wizards of the Coast

Legal in: Mirage Block,Legacy,Vintage,Freeform,Prismatic,Tribal Wars Legacy,Singleton 100,Commander

Oracle Text (click to copy):

Crypt Cobra {3}{B} Creature — Snake Whenever Crypt Cobra attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.) 3/3

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10/4/2004
The player gets a poison counter as a triggered ability on not blocking the Cobra. Killing the Cobra after declaring blockers or preventing its damage will not prevent the poison counter.
4/15/2013
An ability that triggers when something "attacks and isn't blocked" triggers in the declare blockers step after blockers are declared if (1) that creature is attacking and (2) no creatures are declared to block it. It will trigger even if that creature was put onto the battlefield attacking rather than having been declared as an attacker in the declare attackers step.

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