Dragon Egg 

Creature — Dragon Egg
Defender
When this creature dies, create a 2/2 red Dragon creature token with flying and "{R}: This token gets +1/+0 until end of turn."
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Cards that do something similar expected a card that isn't here?
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Hangarback Walker 97%
$0.26#1535
"When this creature dies, create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on this creature."
Big Mother Mouser 88%
$2.07#6054
"When this creature dies, create a number of 1/1 colorless Robot artifact creature tokens equal to the number of +1/+1 counters on this creature."
Chasm Skulker 87%
$0.49#708
"When this creature dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on this creature."
Wanted Griffin 86%
$0.05#23729
"When this creature dies, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery.""
Nezumi Linkbreaker 86%
$0.19#9135
"When this creature dies, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery.""
Boss's Chauffeur 85%
$0.30#6255
"When this creature dies, create a 1/1 green and white Citizen creature token for each +1/+1 counter on it."
Hooded Hydra 84%
$1.43#3258
"When this creature dies, create a 1/1 green Snake creature token for each +1/+1 counter on it."
Pestbrood Sloth 84%
$0.22#17541
"When this creature dies, create two 1/1 black and green Pest creature tokens with "Whenever this token attacks, you gain 1 life.""
Gruff Triplets 83%
$0.38#5174
"When this creature dies, put a number of +1/+1 counters equal to its power on each creature you control named this card."
Alharu, Solemn Ritualist 82%
$0.18#14493
"Whenever a nontoken creature you control with a +1/+1 counter on it dies, create a 1/1 white Spirit creature token with flying."
Eldrazi Repurposer 81%
$0.21#9076
"When you cast this spell and when this creature dies, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add {C}.""
Trophy Hunter 81%
$0.23#22950
"Whenever a creature with flying dealt damage by this creature this turn dies, put a +1/+1 counter on this creature."
Rukh Egg 81%
$0.44#20491
"When this creature dies, create a 4/4 red Bird creature token with flying at the beginning of the next end step."
Ochre Jelly 81%
$0.39#6669
"When this creature dies, if it had two or more +1/+1 counters on it, create a token that's a copy of it at the beginning of the next end step. The token enters with half that many +1/+1 counters on it, rounded down."
Hallowed Spiritkeeper 80%
$0.50#7844
"When this creature dies, create X 1/1 white Spirit creature tokens with flying, where X is the number of creature cards in your graveyard."
Unwilling Vessel 80%
$0.16#16298
"When this creature dies, create an X/X blue Spirit creature token with flying, where X is the number of counters on this creature."
Promising Duskmage 80%
$0.09#27707
"When this creature dies, if it had a +1/+1 counter on it, draw a card."
Vastwood Hydra 80%
$1.52#5215
"When this creature dies, you may distribute a number of +1/+1 counters equal to the number of +1/+1 counters on this creature among any number of creatures you control."
Elgaud Inquisitor 80%
$0.12#26868
"When this creature dies, create a 1/1 white Spirit creature token with flying."