3ERevised Edition

Siren's Call

Siren's Call from Revised Edition
Siren's Call from Revised Edition

Instant   {U} (CMC:1)

All of opponent's creatures that can attack must do so. Any non-wall creatures that cannot attack are killed at end of turn. Can be played only during opponent's turn, before opponent's attack. Creatures summoned this turn are unaffected by Siren's Call.

3E • ENAnson Maddocks

Legal in: Legacy,Vintage,Commander

Oracle Text (click to copy):

View this MTG card on Gatherer
10/4/2004
It will require creatures with Haste to attack since they are able, but it won't destroy them if they don't for some reason.
10/4/2004
The creature is destroyed if it does not attack because it simply can't do so legally.
2/1/2009
This will destroy creatures that weren't able to attack because they had been previously tapped.
9/20/2013
If a turn has multiple combat phases, this spell can only be cast before the beginning of the Declare Attackers Step of the first combat phase in that turn.

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