Ammit Eternal 

Creature — Zombie Crocodile Demon
$1.61 #11156 0.35 9.1 years
Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
Whenever an opponent casts a spell, put a -1/-1 counter on this creature.
Whenever this creature deals combat damage to a player, remove all -1/-1 counters from it.
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Cards similar to Ammit Eternal expected a card that isn't here?
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Lichenthrope89%
$0.57↓#28837↓0.24↓29.6 years↑
"At the beginning of your upkeep, remove a -1/-1 counter from this creature."
+1 more matching line
Magmaroth87%
$0.08↓#29348↓0.07↓9.1 years
"At the beginning of your upkeep, put a -1/-1 counter on this creature."
+1 more matching line
Witherscale Wurm85%
$0.78↓#20123↓0.62↑18.3 years↑
"Whenever this creature deals damage to an opponent, remove all -1/-1 counters from it."
+1 more matching line
Reluctant Dounguard84%
$0.08↓#22552↓0.00↓0.6 years↓
"This creature enters with two -1/-1 counters on it."
+1 more matching line
Moonshadow83%
$12.60↑#8447↑0.00↓0.6 years↓
"This creature enters with six -1/-1 counters on it."
+1 more matching line
Encumbered Reejerey83%
$0.11↓#22569↓0.00↓0.6 years↓
"This creature enters with three -1/-1 counters on it."
+1 more matching line
Heirloom Auntie82%
$0.13↓#15470↓0.00↓0.6 years↓
"This creature enters with two -1/-1 counters on it."
+1 more matching line
Belligerent Hatchling82%
$0.16↓#28434↓0.2618.1 years↑
"This creature enters with four -1/-1 counters on it."
+1 more matching line
Creakwood Safewright81%
$0.18↓#15906↓0.00↓0.6 years↓
"This creature enters with three -1/-1 counters on it."
+1 more matching line
Voracious Hatchling81%
$0.18↓#29474↓0.08↓18.1 years↑
"This creature enters with four -1/-1 counters on it."
+1 more matching line