Umara Mystic 
Creature — Merfolk Wizard
$0.15 #20341 0.06 5.9 years
Flying
Whenever you cast an instant, sorcery, or Wizard spell, this creature gets +2/+0 until end of turn.
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Adeliz, the Cinder Wind94%
$0.23↑#11241↑0.18↑8.4 years↑
"Whenever you cast an instant or sorcery spell, Wizards you control get +1/+1 until end of turn."
Umara Wizard // Umara Skyfalls92%
$0.19↑#14455↑0.145.9 years
"Whenever you cast an instant, sorcery, or Wizard spell, this creature gains flying until end of turn."
Master of Winds90%
$0.20↑#212010.005.9 years
"Whenever you cast an instant, sorcery, or Wizard spell, you may have this creature's base power and toughness become 4/1 or 1/4 until end of turn."
Relic Amulet88%
$0.17↑#195270.47↑5.9 years
"Whenever you cast an instant, sorcery, or Wizard spell, put a charge counter on this artifact."
Mercurial Geists88%
$0.04↓#25774↓0.25↑10.1 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn."
Wee Dragonauts88%
$0.05↓#183580.29↑20.7 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Aven Wind Mage88%
$0.08↓#230160.31↑8.1 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn."
Kiln Fiend88%
$0.10↓#169470.27↑16.4 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn."
Festival Crasher88%
$0.17↑#199950.22↑4.9 years
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Fire Urchin88%
$0.07↓#25447↓0.62↑7.9 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn."
Windrider Wizard88%
$0.10↓#11848↑0.38↑5.9 years
"Whenever you cast an instant, sorcery, or Wizard spell, you may draw a card. If you do, discard a card."
Pteramander86%
$0.21↑#16045↑0.007.6 years↑
"Flying"
Rockslide Sorcerer86%
$0.14↓#12291↑0.73↑5.9 years
"Whenever you cast an instant, sorcery, or Wizard spell, this creature deals 1 damage to any target."
Docent of Perfection // Final Iteration82%
$0.68↑#6015↑0.1010.1 years↑
"Whenever you cast an instant or sorcery spell, create a 1/1 blue Human Wizard creature token. Then if you control three or more Wizards, transform this creature."
Fluxcharger81%
$0.10↓#28164↓0.0613.3 years↑
"Whenever you cast an instant or sorcery spell, you may switch this creature's power and toughness until end of turn."
Sphinx of Forgotten Lore81%
$0.36↑#8965↑0.23↑1.8 years↓
"Flying"
Nightshade Schemers80%
$0.31↑#232440.29↑18.6 years↑
"Flying"
Erratic Cyclops80%
$0.15#183470.50↑7.9 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."
Aberrant Manawurm78%
$0.11↓#233560.000.4 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."
Inspired Sprite78%
$0.22↑#224520.0018.6 years↑
"Whenever you cast a Wizard spell, you may untap this creature."