Hercules, Olympian Hero {3}{W}{W}
Legendary Creature — Demigod Warrior Hero
Whenever Hercules attacks, put a +1/+1 counter on him. He gains indestructible until end of turn.
Whenever Hercules is dealt damage for the first time each turn, put that many +1/+1 counters on him. (He must survive the damage to get the counters.)
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Cards that do something similar expected a card that isn't here?
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Auron, Venerated Guardian 88%
$0.28#5563
"Whenever this card attacks, put a +1/+1 counter on it. When you do, exile target creature defending player controls with power less than this card's power until this card leaves the battlefield."