High Sentinels of Arashin {3}{W}
Creature — Bird Soldier
Flying
This creature gets +1/+1 for each other creature you control with a +1/+1 counter on it.
{3}{W}: Put a +1/+1 counter on target creature.
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Cards that do something similar expected a card that isn't here?
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Generous Pup 90%
$5.32#5798
"Whenever one or more +1/+1 counters are put on this creature, put a +1/+1 counter on each other creature you control. This ability triggers only once each turn."
Renegade Krasis 90%
$0.31#14686
"Whenever this creature evolves, put a +1/+1 counter on each other creature you control with a +1/+1 counter on it."
Bellowing Aegisaur 89%
$0.30#7788
"Whenever this creature is dealt damage, put a +1/+1 counter on each other creature you control."
Seven Dwarves 87%
$0.52#11874
"This creature gets +1/+1 for each other creature named this card you control."
Avatar of the Resolute 86%
$0.30#16559
"This creature enters with a +1/+1 counter on it for each other creature you control with a +1/+1 counter on it."
Timberpack Wolf 86%
$0.16#29228
"This creature gets +1/+1 for each other creature you control named this card."
Thunderwolf Cavalry 85%
$0.36#15063
"Whenever this creature deals combat damage to a player, put a +1/+1 counter on each other creature you control."
Sheriff of Safe Passage 84%
$0.13#16985
"This creature enters with a +1/+1 counter on it plus an additional +1/+1 counter on it for each other creature you control."
Mirror Box 84%
$5.37#1687
"Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature."
Bounding Felidar 83%
$0.18#10971
"Whenever this creature attacks while saddled, put a +1/+1 counter on each other creature you control. You gain 1 life for each of those creatures."
Ingenious Leonin 83%
$0.16#22604
"{3}{W}: Put a +1/+1 counter on another target attacking creature you control. If that creature is a Cat, it gains first strike until end of turn."
Ascendant Acolyte 82%
$0.33#10675
"This creature enters with a +1/+1 counter on it for each +1/+1 counter among other creatures you control."
Squad Captain 81%
$0.15#20009
"This creature enters with a +1/+1 counter on it for each other creature you control."
Benalish Honor Guard 80%
$0.08#25727
"This creature gets +1/+0 for each legendary creature you control."
Relentless Rats 80%
$5.00#10896
"This creature gets +1/+1 for each other creature on the battlefield named this card."
Heroes' Podium 80%
$0.46#2643
"Each legendary creature you control gets +1/+1 for each other legendary creature you control."