Blistercoil Weird 
Creature — Weird
$0.25 #22941 0.07 14.0 years
Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. Untap it.
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Cards similar to Blistercoil Weird expected a card that isn't here?
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Mercurial Geists94%
$0.03↓#261020.0610.2 years↓
"Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn."
Kiln Fiend94%
$0.11↓#17248↑0.0616.5 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn."
Wee Dragonauts94%
$0.06↓#187060.28↑20.8 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Festival Crasher94%
$0.18↓#202550.005.1 years↓
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Fire Urchin94%
$0.05↓#257480.008.0 years↓
"Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn."
Aven Wind Mage94%
$0.11↓#233410.33↑8.3 years↓
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn."
Thermo-Alchemist91%
$0.17↓#1758↑0.1610.2 years↓
"Whenever you cast an instant or sorcery spell, untap this creature."
Unruly Catapult91%
$0.30↑#4466↑0.133.1 years↓
"Whenever you cast an instant or sorcery spell, untap this creature."
Gelectrode90%
$0.54↑#9324↑0.24↑20.7 years↑
"Whenever you cast an instant or sorcery spell, you may untap this creature."
Aberrant Manawurm90%
$0.16↓#231710.050.5 years↓
"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."
Erratic Cyclops90%
$0.15↓#186930.19↑8.0 years↓
"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."
Ghitu Amplifier88%
$0.12↓#258140.004.1 years↓
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Nivix Cyclops88%
$0.11↓#225810.0613.5 years
"Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn and can attack this turn as though it didn't have defender."
Pyre Hound87%
$0.07↓#193390.19↑10.5 years↓
"Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature."
Electrostatic Infantry87%
$0.34↑#6533↑0.074.1 years↓
"Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature."
Charmbreaker Devils86%
$0.17↓#7555↑0.1115.1 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +4/+0 until end of turn."
Storm Skreelix85%
$0.20↓#185370.075.1 years↓
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Spellrune Painter // Spellrune Howler85%
$0.14↓#209150.005.1 years↓
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn."
Frolicking Familiar // Blow Off Steam84%
$0.31↑#8567↑0.113.1 years↓
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn."
Umara Mystic84%
$0.17↓#207710.006.1 years↓
"Whenever you cast an instant, sorcery, or Wizard spell, this creature gets +2/+0 until end of turn."