Stonebinder's Familiar 
Creature — Spirit Dog
$0.16 #20598 0.19 5.4 years
Whenever one or more cards are put into exile during your turn, put a +1/+1 counter on this creature. This ability triggers only once each turn.
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Cards similar to Stonebinder's Familiar expected a card that isn't here?
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Rakshasa Vizier94%
$0.19↑#27510↓0.47↑11.9 years↑
"Whenever one or more cards are put into exile from your graveyard, put that many +1/+1 counters on this creature."
Ennis, Debate Moderator92%
$0.24↑#15712↑0.00↓0.4 years↓
"At the beginning of your end step, if one or more cards were put into exile this turn, put a +1/+1 counter on this card."
Laelia, the Blade Reforged89%
$0.28↑#1316↑0.285.4 years
"Whenever one or more cards are put into exile from your library and/or your graveyard, put a +1/+1 counter on this card."
Soulherder88%
$1.89↑#1668↑0.37↑7.2 years↑
"Whenever a creature is exiled from the battlefield, put a +1/+1 counter on this creature."
Hero of Bretagard86%
$0.33↑#13958↑0.06↓5.6 years
"Whenever one or more cards are put into exile from your hand or a spell or ability you control exiles one or more permanents from the battlefield, put that many +1/+1 counters on this creature."
Syr Vondam, Sunstar Exemplar76%
$0.37↑#4650↑0.191.1 years↓
"Whenever another creature you control dies or is put into exile, put a +1/+1 counter on this card and you gain 1 life."
Rushwood Elemental76%
$0.98↑#28048↓0.2526.9 years↑
"At the beginning of your upkeep, you may put a +1/+1 counter on this creature."
War Elemental74%
$5.01↑#13319↑0.1422.9 years↑
"Whenever an opponent is dealt damage, put that many +1/+1 counters on this creature."
Child of the Volcano74%
$0.10↓#228350.46↑2.8 years↓
"At the beginning of your end step, if you descended this turn, put a +1/+1 counter on this creature."
Deep Goblin Skulltaker72%
$0.18↑#186870.00↓2.8 years↓
"At the beginning of your end step, if you descended this turn, put a +1/+1 counter on this creature."
Shard of the Void Dragon72%
$2.76↑#9738↑0.93↑3.9 years↓
"Whenever an artifact is put into a graveyard from the battlefield or is put into exile from the battlefield, put two +1/+1 counters on this creature."
Air Nomad Student72%
$0.17↑#24810↓0.00↓0.8 years↓
"At the beginning of your end step, if this creature didn't attack this turn, put a +1/+1 counter on it."
Knight of Wundagore71%
$0.09↓#210780.00↓0.2 years↓
"Whenever you put a +1/+1 counter on another creature, put a +1/+1 counter on this creature. This ability triggers only once each turn."
Botanical Brawler70%
$0.32↑#6758↑0.273.4 years↓
"Whenever one or more +1/+1 counters are put on another permanent you control, if it's the first time +1/+1 counters have been put on that permanent this turn, put a +1/+1 counter on this creature."
Oneirophage70%
$0.14↓#6901↑0.31↑7.2 years↑
"Whenever you draw a card, put a +1/+1 counter on this creature."
Clinquant Skymage70%
$0.23↑#5913↑0.151.8 years↓
"Whenever you draw a card, put a +1/+1 counter on this creature."
Ravenhill Flock70%
$0.21↑#196320.00↓0.1 years↓
"Whenever you draw a card, put a +1/+1 counter on this creature."
Lorescale Coatl70%
$0.15↓#11502↑0.06↓17.3 years↑
"Whenever you draw a card, put a +1/+1 counter on this creature."
Ashiok, Wicked Manipulator70%
$0.25↑#14136↑0.43↑3.0 years↓
"−2: Create two 1/1 black Nightmare creature tokens with "At the beginning of combat on your turn, if a card was put into exile this turn, put a +1/+1 counter on this token.""
Savageborn Hydra70%
$0.46↑#11456↑0.31↑13.3 years↑
"This creature enters with X +1/+1 counters on it."