Ordeal of Heliod {1}{W}
Enchantment — Aura
Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura.
When you sacrifice this Aura, you gain 10 life.
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Cards that do something similar expected a card that isn't here?
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Ordeal of Thassa 100%
$0.14#15770
"Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura."
+2 more matching lines
Ordeal of Erebos 100%
$0.13#22948
"Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura."
+2 more matching lines
Ordeal of Purphoros 100%
$0.17#19705
"Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura."
+1 more matching line
Ordeal of Nylea 100%
$0.19#4101
"Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice this Aura."
Curse of Predation 88%
$0.29#14498
"Whenever a creature attacks enchanted player, put a +1/+1 counter on it."