Necroplasm {1}{B}{B}
Creature — Ooze
At the beginning of your upkeep, put a +1/+1 counter on this creature.
At the beginning of your end step, destroy each creature with mana value equal to the number of +1/+1 counters on this creature.
Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)
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Cards that do something similar expected a card that isn't here?
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Myr Prototype 100%
$0.17#22902
"At the beginning of your upkeep, put a +1/+1 counter on this creature."
Rushwood Elemental 97%
$0.89#27656
"At the beginning of your upkeep, you may put a +1/+1 counter on this creature."
Chlorophant 97%
$0.44#27433
"At the beginning of your upkeep, you may put a +1/+1 counter on this creature."
Vebulid 97%
$0.65#25829
"At the beginning of your upkeep, you may put a +1/+1 counter on this creature."
Wiitigo 91%
#29999
"At the beginning of your upkeep, put a +1/+1 counter on this creature if it has blocked or been blocked since your last upkeep. Otherwise, remove a +1/+1 counter from it."
Ingenious Prodigy 89%
$0.25#3206
"At the beginning of your upkeep, if this creature has one or more +1/+1 counters on it, you may remove a +1/+1 counter from it. If you do, draw a card."