Nivix Barrier {3}{U}
Creature — Illusion Wall
Flash (You may cast this spell any time you could cast an instant.)
Defender (This creature can't attack.)
When this creature enters, target attacking creature gets -4/-0 until end of turn.
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Cards that do something similar expected a card that isn't here?
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Blister Beetle 87%
$0.07#24091
"When this creature enters, target creature gets -1/-1 until end of turn."
Morkrut Banshee 86%
$0.12#24735
"When this creature enters, if a creature died this turn, target creature gets -4/-4 until end of turn."
Keening Banshee 86%
$0.27#26780
"When this creature enters, target creature gets -2/-2 until end of turn."
Farbog Boneflinger 86%
$0.04#30279
"When this creature enters, target creature gets -2/-2 until end of turn."
Vengeful Rebel 83%
$0.04#27965
"When this creature enters, if a permanent left the battlefield under your control this turn, target creature an opponent controls gets -3/-3 until end of turn."
Ubul Sar Gatekeepers 82%
$0.08#25580
"When this creature enters, if you control two or more Gates, target creature an opponent controls gets -2/-2 until end of turn."
Zulaport Duelist 81%
$0.16#21900
"When this creature enters, up to one target creature gets -2/-0 until end of turn. Its controller mills two cards."
+1 more matching line
Poisoner's Apprentice 81%
$0.11#24974
"When this creature enters, target creature an opponent controls gets -4/-4 until end of turn if you gained life this turn."
Nebelgast Intruder 81%
$0.07#28850
"When this creature enters, up to one target creature an opponent controls gets -2/-0 until end of turn."
+1 more matching line
Burrog Befuddler 80%
$0.17#15670
"When this creature enters, target creature an opponent controls gets -1/-0 until end of turn."
+1 more matching line
Tooth Collector 80%
$0.07#24915
"When this creature enters, target creature an opponent controls gets -1/-1 until end of turn."
Eyeblight Assassin 80%
$0.14#21324
"When this creature enters, target creature an opponent controls gets -1/-1 until end of turn."
Threnody Singer 80%
$0.06#25838
"When this creature enters, target creature an opponent controls gets -X/-0 until end of turn, where X is your devotion to blue."
Blight-Breath Catoblepas 80%
$0.10#24278
"When this creature enters, target creature an opponent controls gets -X/-X until end of turn, where X is your devotion to black."
Sinister Cryologist 80%
$0.06#23669
"When this creature enters, target creature an opponent controls gets -3/-0 until end of turn."
Ambush Gigapede 80%
$0.10#19924
"When this creature enters, target creature an opponent controls gets -2/-2 until end of turn."
+1 more matching line
Fourth Bridge Prowler 80%
$0.18#14105
"When this creature enters, you may have target creature get -1/-1 until end of turn."