Expressive Firedancer {1}{R}
Creature — Human Sorcerer
Opus — Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. If five or more mana was spent to cast that spell, this creature also gains double strike until end of turn.
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Cards that do something similar expected a card that isn't here?
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Elemental Mascot 99%
$0.10#21024
"Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn. If five or more mana was spent to cast that spell, exile the top card of your library. You may play that card until the end of your next turn."
Colorstorm Stallion 98%
$0.43#14924
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. If five or more mana was spent to cast that spell, create a token that's a copy of this creature."
Frolicking Familiar // Blow Off Steam 98%
$0.24#7735
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn."
Aven Wind Mage 98%
$0.16#22687
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn."
Spellrune Painter // Spellrune Howler 98%
$0.17#20131
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn."
Fire Urchin 98%
$0.08#24988
"Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn."
Aberrant Manawurm 97%
$0.09#24017
"Whenever you cast an instant or sorcery spell, this creature gets +X/+0 until end of turn, where X is the amount of mana spent to cast that spell."
Renegade Bull 96%
$0.23#15025
"Whenever you cast an instant or sorcery spell, this creature gets +X/+0 until end of turn, where X is that spell's mana value."
Erratic Cyclops 96%
$0.20#17911
"Whenever you cast an instant or sorcery spell, this creature gets +X/+0 until end of turn, where X is that spell's mana value."
Charmbreaker Devils 94%
$0.34#7255
"Whenever you cast an instant or sorcery spell, this creature gets +4/+0 until end of turn."
Kiln Fiend 92%
$0.21#16641
"Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn."
Mercurial Geists 92%
$0.04#25314
"Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn."
Deluge Virtuoso 92%
$0.15#22270
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. If five or more mana was spent to cast that spell, this creature gets +2/+2 until end of turn instead."
Eager First-Year 91%
$0.04#27236
"Whenever you cast or copy an instant or sorcery spell, this creature gets +1/+0 until end of turn."
Lorehold Pledgemage 91%
$0.14#27121
"Whenever you cast or copy an instant or sorcery spell, this creature gets +1/+0 until end of turn."
Aquatic Alchemist // Bubble Up 90%
$0.20#14399
"Whenever you cast your first instant or sorcery spell each turn, this creature gets +2/+0 until end of turn."
Festival Crasher 90%
$0.27#19713
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Ghitu Amplifier 90%
$0.04#24902
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Storm Skreelix 90%
$0.16#17662
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."