Echo Storm 
Sorcery
$0.25 #11552 0.17 8.1 years
When you cast this spell, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies.
Create a token that's a copy of target artifact.
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Cards similar to Echo Storm expected a card that isn't here?
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Empyrial Storm89%
$0.40↑#18692↓0.33↑8.1 years
"When you cast this spell, copy it for each time you've cast your commander from the command zone this game."
Saheeli's Artistry88%
$0.21↓#7297↑0.28↑9.9 years↑
"• Create a token that's a copy of target artifact."
Fury Storm84%
$4.88↑#7385↑0.50↑8.1 years
"When you cast this spell, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies."
Ancestral Communion82%
$0.29↑#16459↓0.00↓0.2 years↓
"When you cast this spell while you control your commander, copy this spell. You may choose a new target for the copy."
March of Progress82%
$1.46↑#5022↑0.163.8 years↓
"Choose target artifact creature you control. For each creature chosen this way, create a token that's a copy of it."
Genesis Storm81%
$0.65↑#130010.07↓8.1 years
"When you cast this spell, copy it for each time you've cast your commander from the command zone this game."
Hatut Zeraze Strike Force78%
$0.27↑#18306↓0.00↓0.2 years↓
"When you cast this spell, copy it for each time you've cast your commander from the command zone this game."
Skull Storm78%
$0.88↑#129530.47↑8.1 years
"When you cast this spell, copy it for each time you've cast your commander from the command zone this game."
Stolen Identity77%
$0.33↑#4749↑0.1113.6 years↑
"Create a token that's a copy of target artifact or creature."
+1 more matching line
Relm's Sketching74%
$0.31↑#4067↑0.261.2 years↓
"Create a token that's a copy of target artifact, creature, or land."
Mirage Mockery72%
$0.34↑#94630.53↑3.6 years↓
"• Create a token that's a copy of target artifact creature you control."
Astral Steel72%
$0.10↓#18290↓0.1223.3 years↑
"Storm When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies."
Oltec Matterweaver72%
$1.08↑#3620↑0.34↑2.4 years↓
"• Create a token that's a copy of target artifact token you control."
+1 more matching line
Replication Technique72%
$0.18↓#4320↑0.27↑5.4 years↓
"Create a token that's a copy of target permanent you control."
Ground Rift72%
$0.16↓#16074↓0.29↑19.9 years↑
"Storm When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies."
Masterful Replication72%
$0.30↑#8813↑0.217.2 years
"• Create two 3/3 colorless Golem artifact creature tokens."
Photon Blast Barrage71%
$0.18↓#19409↓0.00↓0.2 years↓
"When you cast this spell, copy it X times. You may choose new targets for the copies."
Brain Freeze70%
$1.89↑#784↑1.02↑23.3 years↑
"Storm When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies."
Reaping the Graves70%
$0.37↑#17138↓0.1823.3 years↑
"Storm When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies."
Weather the Storm70%
$1.23↑#9041↑0.39↑7.2 years
"Storm When you cast this spell, copy it for each spell cast before it this turn."