Purestrain Genestealer 
Creature — Tyranid
$0.41 #11795 0.00 4.0 years
This creature enters with two +1/+1 counters on it.
Vanguard Species — Whenever this creature attacks, you may remove a +1/+1 counter from it. If you do, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
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"Whenever this creature enters or attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
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"This creature enters with four +1/+1 counters on it."
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"Whenever this creature deals combat damage to a player, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle."
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$1.52↑#9292↑0.16↑28.6 years↑
"This creature enters with two +1/+1 counters on it."
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"This creature enters with a +1/+1 counter on it."
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"This creature enters with X +1/+1 counters on it."
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"This creature enters with three +1/+1 counters on it."
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"
, Remove a +1/+1 counter from this creature: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles."
, Remove a +1/+1 counter from this creature: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles."+1 more matching line
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"This creature enters with a +1/+1 counter on it."
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"This creature enters with a +1/+1 counter on it."
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"this card enters with X +1/+1 counters on it."
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"This creature enters with two +1/+1 counters on it."
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"This creature enters with X +1/+1 counters on it."