Sire of the Storm 
Creature — Spirit
$0.08 #16792 0.06 22.1 years
Flying
Whenever you cast a Spirit or Arcane spell, you may draw a card.
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Dreamcatcher92%
$0.17↑#25261↓0.1121.4 years
"Whenever you cast a Spirit or Arcane spell, you may sacrifice this creature. If you do, draw a card."
Haru-Onna88%
$0.28↑#199200.0021.4 years
"Whenever you cast a Spirit or Arcane spell, you may return this creature to its owner's hand."
Kami of the Hunt88%
$0.05↓#28351↓0.37↑22.1 years
"Whenever you cast a Spirit or Arcane spell, this creature gets +1/+1 until end of turn."
Scaled Hulk87%
$0.14↑#30750↓0.0021.7 years
"Whenever you cast a Spirit or Arcane spell, this creature gets +2/+2 until end of turn."
Bounteous Kirin85%
$0.39↑#197570.0521.4 years
"Whenever you cast a Spirit or Arcane spell, you may gain life equal to that spell's mana value."
Fiddlehead Kami85%
$0.13↑#30454↓0.0021.4 years
"Whenever you cast a Spirit or Arcane spell, regenerate this creature."
Jade Idol85%
$0.14↑#30748↓0.0022.1 years
"Whenever you cast a Spirit or Arcane spell, this artifact becomes a 4/4 Spirit artifact creature until end of turn."
Briarknit Kami84%
$0.11↑#23146↓0.0521.4 years
"Whenever you cast a Spirit or Arcane spell, put a +1/+1 counter on target creature."
Lady of Laughter84%
$0.33↑#198830.073.1 years↓
"Flying"
Oyobi, Who Split the Heavens84%
$0.31↑#12840↑0.20↑21.7 years
"Whenever you cast a Spirit or Arcane spell, create a 3/3 white Spirit creature token with flying."
+1 more matching line
Kami of Fire's Roar84%
$0.09↑#27488↓0.1422.1 years
"Whenever you cast a Spirit or Arcane spell, target creature can't block this turn."
Yuki-Onna83%
$0.29↑#22458↓0.21↑21.4 years
"Whenever you cast a Spirit or Arcane spell, you may return this creature to its owner's hand."
Nikko-Onna83%
$0.19↑#150450.1221.4 years
"Whenever you cast a Spirit or Arcane spell, you may return this creature to its owner's hand."
Primordial Sage83%
$0.87↑#4431↑0.1221.0 years↓
"Whenever you cast a creature spell, you may draw a card."
Beast Whisperer83%
$5.28↑#212↑0.44↑8.0 years↓
"Whenever you cast a creature spell, draw a card."
Blademane Baku82%
$0.18↑#28169↓0.0421.7 years
"Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature."
Elder Pine of Jukai82%
$0.17↑#185950.26↑21.4 years
"Whenever you cast a Spirit or Arcane spell, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest on the bottom of your library in any order."
Kami of Tattered Shoji82%
$0.19↑#31246↓0.0621.7 years
"Whenever you cast a Spirit or Arcane spell, this creature gains flying until end of turn."
Budoka Pupil // Ichiga, Who Topples Oaks82%
$0.08#28784↓0.0021.7 years
"Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature."
Kemuri-Onna82%
$0.24↑#26402↓0.38↑21.4 years
"Whenever you cast a Spirit or Arcane spell, you may return this creature to its owner's hand."