Umara Mystic 
Creature — Merfolk Wizard
$0.17 #20771 0.00 6.1 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%
$0.28↑#10980↑0.22↑8.5 years↑
"Whenever you cast an instant or sorcery spell, Wizards you control get +1/+1 until end of turn."
Mercurial Geists90%
$0.03↓#26102↓0.0610.2 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn."
Kiln Fiend90%
$0.11↓#172480.0616.5 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn."
Wee Dragonauts90%
$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 Crasher90%
$0.18↑#202550.005.1 years
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Fire Urchin90%
$0.05↓#25748↓0.008.0 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +1/+0 until end of turn."
Aven Wind Mage90%
$0.11↓#233410.33↑8.3 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn."
Umara Wizard // Umara Skyfalls88%
$0.19↑#14620↑0.076.1 years
"Whenever you cast an instant, sorcery, or Wizard spell, this creature gains flying until end of turn."
Master of Winds86%
$0.21↑#207470.12↑6.1 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."
+1 more matching line
Windrider Wizard86%
$0.13↓#12065↑0.38↑6.1 years
"Whenever you cast an instant, sorcery, or Wizard spell, you may draw a card. If you do, discard a card."
Relic Amulet84%
$0.15↓#197590.25↑6.1 years
"Whenever you cast an instant, sorcery, or Wizard spell, put a charge counter on this artifact."
Aberrant Manawurm84%
$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 Cyclops84%
$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."
Blistercoil Weird84%
$0.25↑#229410.0714.0 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. Untap it."
Rockslide Sorcerer83%
$0.14↓#12343↑0.12↑6.1 years
"Whenever you cast an instant, sorcery, or Wizard spell, this creature deals 1 damage to any target."
Ghitu Amplifier82%
$0.12↓#25814↓0.004.1 years↓
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
Pyre Hound82%
$0.07↓#193390.19↑10.5 years↑
"Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature."
Electrostatic Infantry82%
$0.34↑#6533↑0.074.1 years↓
"Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature."
Charmbreaker Devils81%
$0.17#7555↑0.11↑15.1 years↑
"Whenever you cast an instant or sorcery spell, this creature gets +4/+0 until end of turn."
Storm Skreelix81%
$0.20↑#185370.075.1 years
"Whenever you cast an instant or sorcery spell, this creature gets +2/+0 until end of turn."
+1 more matching line