Spider-Man, Peter Parker {3}{W}{W}
Legendary Creature — Spider Human Hero
Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever you gain life, put a +1/+1 counter on target creature you control. It gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
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Cards that do something similar expected a card that isn't here?
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Cleric Class 99%
$1.54#1489
"Whenever you gain life, put a +1/+1 counter on target creature you control."
The Destined White Mage 94%
$10.94#10796
"Whenever you gain life, put a +1/+1 counter on target creature you control. If you have a full party, put three +1/+1 counters on that creature instead."