Siren's Call 4BB

Card

id	3393
artist	Anson Maddocks
artistIds	634430a7-b5c3-4e4a-b2ac-164e084e47c9
asciiName
attractionLights
availability	paper
boosterTypes
borderColor	black
colorIdentity	U
colorIndicator
colors	U
defense
duelDeck
edhrecRank	19547
edhrecSaltiness	0.42
faceConvertedManaCost
faceFlavorName
faceManaValue
faceName
finishes	nonfoil
flavorName
flavorText
frameEffects
frameVersion	1993
hand
hasAlternativeDeckLimit
hasContentWarning
hasFoil	0
hasNonFoil	1
isAlternative
isFullArt
isFunny
isGameChanger
isOnlineOnly
isOversized
isPromo
isRebalanced
isReprint	1
isReserved
isStarter	1
isStorySpotlight
isTextless
isTimeshifted
keywords
language	Spanish
layout	normal
leadershipSkills
life
loyalty
manaCost	{U}
manaValue	1
name	Siren's Call
number	101
originalPrintings
originalReleaseDate
originalText
otherFaceIds
power
printings	2ED, 30A, 3ED, 4BB, 4ED, CED, CEI, FBB, LEA, LEB, SUM
promoTypes
rarity	uncommon
rebalancedPrintings
relatedCards
securityStamp
setCode	4BB
side
signature
sourceProducts
subsets
subtypes
supertypes
text	Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non-Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.
toughness
type	Instant
types	Instant
uuid	36acb0ac-2c3c-5a40-b2c5-b3d037cbe9f5
variations
watermark
setName	Fourth Edition Foreign Black Border

id	3393
cardKingdom
cardKingdomEtched
cardKingdomFoil
cardmarket
tcgplayer	https://mtgjson.com/links/896cea017b32bafb
tcgplayerEtched
uuid	36acb0ac-2c3c-5a40-b2c5-b3d037cbe9f5

date	text
2004-10-04	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.
2004-10-04	The creature is destroyed if it does not attack because it simply can’t do so legally.
2009-02-01	This will destroy creatures that weren’t able to attack because they had been previously tapped.
2013-09-20	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.