Horizon Seed 
Creature — Spirit
$0.19 #27140 0.05 22.1 years
Whenever you cast a Spirit or Arcane spell, regenerate target creature.
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Cards similar to Horizon Seed expected a card that isn't here?
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Fiddlehead Kami94%
$0.13↓#304540.0021.4 years
"Whenever you cast a Spirit or Arcane spell, regenerate this creature."
Briarknit Kami88%
$0.11↓#231460.0521.4 years
"Whenever you cast a Spirit or Arcane spell, put a +1/+1 counter on target creature."
Kami of Fire's Roar87%
$0.09↓#274880.1422.1 years
"Whenever you cast a Spirit or Arcane spell, target creature can't block this turn."
Kami of the Hunt84%
$0.05↓#283510.37↑22.1 years
"Whenever you cast a Spirit or Arcane spell, this creature gets +1/+1 until end of turn."
Guardian of Solitude84%
$0.18↓#275310.0622.1 years
"Whenever you cast a Spirit or Arcane spell, target creature gains flying until end of turn."
Scaled Hulk84%
$0.14↓#307500.0021.7 years
"Whenever you cast a Spirit or Arcane spell, this creature gets +2/+2 until end of turn."
Jade Idol82%
$0.14↓#307480.0022.1 years
"Whenever you cast a Spirit or Arcane spell, this artifact becomes a 4/4 Spirit artifact creature until end of turn."
Soul of Magma82%
$0.09↓#287660.0022.1 years
"Whenever you cast a Spirit or Arcane spell, this creature deals 1 damage to target creature."
Soilshaper82%
$0.19#291390.0522.1 years
"Whenever you cast a Spirit or Arcane spell, target land becomes a 3/3 creature until end of turn. It's still a land."
Skyfire Kirin82%
$0.46↑#227270.62↑21.4 years
"Whenever you cast a Spirit or Arcane spell, you may gain control of target creature with that spell's mana value until end of turn."
Kami of the Waning Moon80%
$0.12↓#228980.0622.1 years
"Whenever you cast a Spirit or Arcane spell, target creature gains fear until end of turn."
Oyobi, Who Split the Heavens80%
$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."
Budoka Pupil // Ichiga, Who Topples Oaks79%
$0.08↓#287840.0021.7 years
"Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature."
Yuki-Onna79%
$0.29↑#224580.21↑21.4 years
"Whenever you cast a Spirit or Arcane spell, you may return this creature to its owner's hand."
Nikko-Onna79%
$0.19#15045↑0.1221.4 years
"Whenever you cast a Spirit or Arcane spell, you may return this creature to its owner's hand."
Innocence Kami79%
$0.18↓#297800.0722.1 years
"Whenever you cast a Spirit or Arcane spell, untap this creature."
Ragnar79%
$24.70↑#282210.0032.4 years↑
"
, 
: Regenerate target creature."
, : Regenerate target creature."
Blademane Baku78%
$0.18↓#281690.0421.7 years
"Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature."
Bounteous Kirin78%
$0.39↑#19757↑0.0521.4 years
"Whenever you cast a Spirit or Arcane spell, you may gain life equal to that spell's mana value."
Dreamcatcher78%
$0.17↓#252610.1121.4 years
"Whenever you cast a Spirit or Arcane spell, you may sacrifice this creature. If you do, draw a card."