Caldera Pyremaw 
Creature — Dragon
$0.68 #4377 0.56 1.5 years
Flying
Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature. Then this creature deals damage equal to its power to target opponent.
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Pyre Hound88%
$0.07↓#19339↓0.19↓10.5 years↑
"Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature."
Electrostatic Infantry88%
$0.34↓#6533↓0.07↓4.1 years↑
"Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature."
War Machine, Legacy of Iron88%
$0.16↓#20995↓0.20↓0.3 years↓
"Flying"
Sky Theater Strix86%
$0.05↓#25872↓0.12↓7.5 years↑
"Flying"
Molten-Core Maestro84%
$0.40↓#7642↓0.28↓0.5 years↓
"Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature. If five or more mana was spent to cast that spell, add an amount of equal to this creature's power."
equal to this creature's power."
Prescient Chimera84%
$0.11↓#22669↓0.00↓13.1 years↑
"Flying"
Firebird, Blazing Ranger82%
$0.21↓#15284↓0.15↓0.3 years↓
"Flying"
Kess, Dissident Mage81%
$3.67↑#3198↑0.44↓9.2 years↑
"Flying"
Aven Wind Mage80%
$0.11↓#23341↓0.33↓8.3 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn."
Fire Urchin80%
$0.05↓#25748↓0.00↓8.0 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn."
Wee Dragonauts80%
$0.06↓#18706↓0.28↓20.8 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Festival Crasher80%
$0.18↓#20255↓0.00↓5.1 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Aberrant Researcher // Perfected Form80%
$0.05↓#23046↓0.33↓10.5 years↑
"Flying"
Mercurial Geists80%
$0.03↓#26102↓0.06↓10.2 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn."
Kiln Fiend80%
$0.11↓#17248↓0.06↓16.5 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn."
Quandrix Pledgemage78%
$0.17↓#21878↓0.00↓5.5 years↑
"Whenever you cast or copy an instant or sorcery spell, put a +1/+1 counter on this creature."
Aurelia, Exemplar of Justice78%
$1.28↑#8421↓0.508.0 years↑
"Flying"
Markov Dreadknight78%
$0.15↓#23714↓0.06↓10.5 years↑
"Flying"
Vivi Ornitier78%
$35.88↑#1091↑2.71↑1.4 years
"Whenever you cast a noncreature spell, put a +1/+1 counter on this card and it deals 1 damage to each opponent."
Guttersnipe77%
$0.22↓#409↑0.4914.0 years↑
"Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent."