Convulsing Licid {2}{R}
Creature — Licid
{R}, {T}: This creature loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {R} to end this effect.
Enchanted creature can't block.
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Cards that do something similar expected a card that isn't here?
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Enraging Licid 100%
$0.21#28172
"{R}, {T}: This creature loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {R} to end this effect."
Gelid Shackles 97%
$0.26#16471
"Enchanted creature can't block, and its activated abilities can't be activated."
Demotion 97%
$0.17#15298
"Enchanted creature can't block, and its activated abilities can't be activated."
Awesome Presence 84%
$0.22#18662
"Enchanted creature can't be blocked unless defending player pays {3} for each creature they control that's blocking it."
Kirtar's Desire 84%
$0.22#25863
"Enchanted creature can't block as long as there are seven or more cards in your graveyard."