Mirri, Weatherlight Duelist {1}{G}{W}
Legendary Creature — Cat Warrior
First strike
Whenever Mirri attacks, each opponent can't block with more than one creature this combat.
As long as Mirri is tapped, no more than one creature can attack you each combat.
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Cards that do something similar expected a card that isn't here?
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Dueling Grounds 85%
$7.80#12017
"No more than one creature can block each combat."
+1 more matching line
Silent Arbiter 85%
$12.24#1155
"No more than one creature can block each combat."
+1 more matching line
Avalanche Tusker 85%
$0.16#25019
"Whenever this creature attacks, target creature defending player controls blocks it this combat if able."
Foriysian Totem 85%
$0.13#24219
"As long as this artifact is a creature, it can block an additional creature each combat."
Entourage of Trest 84%
$0.29#16626
"This creature can block an additional creature each combat as long as you're the monarch."
Tangleclaw Werewolf // Fibrous Entangler 84%
$0.13#24058
"This creature can block an additional creature each combat."
Impetuous Devils 84%
$0.27#15995
"When this creature attacks, up to one target creature defending player controls blocks it this combat if able."