Caldera Pyremaw 
Creature — Dragon
$0.39 #4521 0.32 1.4 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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"Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature."
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"Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature."
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"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."
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$0.18↓#22233↓0.4017.9 years↑
"Flying"
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"Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent."
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"Whenever you cast an instant or sorcery spell, this creature deals 1 damage to each opponent."
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"Flying"
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"Flying"
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"Whenever you cast an instant or sorcery spell, this creature deals 1 damage to each opponent."
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"Flying"
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"Whenever you cast an instant or sorcery spell, you may switch this creature's power and toughness until end of turn."
Aven Wind Mage78%
$0.08↓#23016↓0.318.1 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn."
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"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
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"Whenever you cast an instant or sorcery spell, you may put a charge counter on this artifact. If you do, this artifact deals damage equal to the number of charge counters on it to any target."
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"Flying"
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"Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn."