Moon Girl and Devil Dinosaur 
Legendary Creature — Human Dinosaur Hero
$0.19 #19977 0.21 0.3 years
Whenever you draw your second card each turn, until end of turn, Moon Girl and Devil Dinosaur's base power and toughness become 6/6 and they gain trample.
Whenever an artifact you control enters, draw a card. This ability triggers only once each turn.
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Cards similar to Moon Girl and Devil Dinosaur expected a card that isn't here?
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"Whenever another artifact you control enters, you may draw a card. If you do, discard a card."
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"Whenever an artifact you control enters, you may discard a card. If you do, draw a card."
Fixer, Techno Terror74%
$0.22↑#25755↓0.120.3 years
"
, Pay 2 life: Draw a card. Activate only if an artifact entered the battlefield under your control this turn."
, Pay 2 life: Draw a card. Activate only if an artifact entered the battlefield under your control this turn."
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"Whenever you put a counter on a creature you control, draw a card. This ability triggers only once each turn."
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$0.20↑#13242↑0.200.6 years
"Whenever an artifact you control enters, put a +1/+1 counter on this card."
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"Whenever another artifact you control enters, put a +1/+1 counter on this creature."
+1 more matching line
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"Whenever another artifact you control enters, this creature gets +1/+0 until end of turn."
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"Whenever an artifact you control enters, this creature gets +1/+0 until end of turn."
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"Whenever an artifact you control enters, this creature gets +1/+0 until end of turn."
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"Whenever an artifact you control enters, this creature gets +2/+0 and gains trample until end of turn."
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"Whenever this creature or another artifact you control enters, you may draw a card. If you do, discard a card."
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"Whenever this artifact or another artifact enters, put a charge counter on this artifact."
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