The Red Terror 

Legendary Creature — Tyranid
$6.41 #7625 0.22 3.9 years
Advanced Species — Whenever a red source you control deals damage to one or more permanents and/or players, put a +1/+1 counter on The Red Terror.
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Cards similar to The Red Terror expected a card that isn't here?
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Ring of Valkas76%
$0.49↓#5073↑0.02↓14.1 years↑
"At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's red."
Heartlash Cinder75%
$0.15↓#26340↓0.00↓18.1 years↑
"When this creature enters, it gets +X/+0 until end of turn, where X is the number of red mana symbols in the mana costs of permanents you control."
Runaway Steam-Kin73%
$1.40↓#1661↑0.39↑7.9 years↑
"Whenever you cast a red spell, if this creature has fewer than three +1/+1 counters on it, put a +1/+1 counter on this creature."
Mudbrawler Cohort73%
$0.13↓#26998↓0.2518.3 years↑
"This creature gets +1/+1 as long as you control another red creature."
War Elemental72%
$5.01↓#13319↓0.1422.9 years↑
"Whenever an opponent is dealt damage, put that many +1/+1 counters on this creature."
Embermaw Hellion71%
$0.30↓#14309↓0.1411.1 years↑
"If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead."
Torbran, Thane of Red Fell71%
$5.21↓#1001↑0.58↑6.9 years↑
"If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead."
Foundry Street Denizen70%
$0.16↓#10401↓0.2913.6 years↑
"Whenever another red creature you control enters, this creature gets +1/+0 until end of turn."