Seismic Tutelage {3}{G}
Enchantment — Aura
Enchant creature
When this Aura enters, put a +1/+1 counter on enchanted creature.
Whenever enchanted creature attacks, double the number of +1/+1 counters on it.
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Cards that do something similar expected a card that isn't here?
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Ephara's Enlightenment 100%
$0.09#22856
"When this Aura enters, put a +1/+1 counter on enchanted creature."
Level Up 100%
$2.13#5098
"When this Aura enters, put a +1/+1 counter on enchanted creature."
+2 more matching lines
Hydra's Growth 100%
$1.67#2056
"When this Aura enters, put a +1/+1 counter on enchanted creature."
+1 more matching line
Fractal Harness 80%
$0.28#6570
"Whenever equipped creature attacks, double the number of +1/+1 counters on it."