Snake Umbra {2}{G}
Enchantment — Aura
Enchant creature
Enchanted creature gets +1/+1 and has "Whenever this creature deals damage to an opponent, you may draw a card."
Umbra armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)
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Cards that do something similar expected a card that isn't here?
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Curious Obsession 95%
$0.48#8560
"Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, you may draw a card.""
+1 more matching line
Helm of the Ghastlord 84%
$8.30#5543
"As long as enchanted creature is blue, it gets +1/+1 and has "Whenever this creature deals damage to an opponent, draw a card.""
Curious Inquiry 81%
$0.23#11960
"Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, investigate.""