Steadfast Sentry 

Creature — Human Soldier
$0.04 #27753 0.00 7.3 years
Vigilance (Attacking doesn't cause this creature to tap.)
When this creature dies, put a +1/+1 counter on target creature you control.
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Cards similar to Steadfast Sentry expected a card that isn't here?
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"When this creature dies, put a +1/+1 counter on target creature you control."
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$0.06↑#259310.44↑10.1 years↑
"When this creature dies, put a +1/+1 counter on target creature you control."
Sparring Construct100%
$0.19↑#17909↑0.008.5 years↑
"When this creature dies, put a +1/+1 counter on target creature you control."
Guul Draz Mucklord100%
$0.07↑#262460.066.1 years↓
"When this creature dies, put a +1/+1 counter on target creature you control."
Jugan, the Rising Star92%
$0.28↑#12318↑0.29↑22.1 years↑
"When this card dies, you may distribute five +1/+1 counters among any number of target creatures."
Odric's Outrider89%
$0.23↑#20268↑0.065.1 years↓
"Whenever this creature or another creature you control dies, put a +1/+1 counter on target creature you control."
Naya Sojourners88%
$0.14↑#305360.0017.5 years↑
"When you cycle this card and when this creature dies, you may put a +1/+1 counter on target creature."
Star Pupil84%
$0.16↑#16661↑0.005.5 years↓
"When this creature dies, put its counters on target creature you control."
Miner's Guidewing84%
$0.23↑#11384↑0.22↑2.9 years↓
"When this creature dies, target creature you control explores."