Stormsplitter 
Creature — Otter Wizard
$2.12 #4302 0.37 2.2 years
Haste
Whenever you cast an instant or sorcery spell, create a token that's a copy of this creature. Exile that token at the beginning of the next end step.
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Warchief Giant82%
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"Whenever you cast an instant or sorcery spell with mana value 5 or greater, create a token that's a copy of this creature."
Murmuring Mystic76%
$0.33↓#1847↑0.13↓8.0 years↑
"Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying."
Rite of the Dragoncaller76%
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"Whenever you cast an instant or sorcery spell, create a 5/5 red Dragon creature token with flying."
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$0.41↓#13917↓0.24↓0.5 years↓
"Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. If five or more mana was spent to cast that spell, create a token that's a copy of this creature."
Manaform Hellkite74%
$0.24↓#5296↓0.274.9 years↑
"Whenever you cast a noncreature spell, create an X/X red Dragon Illusion creature token with flying and haste, where X is the amount of mana spent to cast that spell. Exile that token at the beginning of the next end step."
Rionya, Fire Dancer71%
$0.47↓#2789↑0.375.5 years↑
"At the beginning of combat on your turn, create X tokens that are copies of another target creature you control, where X is one plus the number of instant and sorcery spells you've cast this turn. They gain haste. Exile them at the beginning of the next end step."
Docent of Perfection // Final Iteration71%
$0.62↓#6110↓0.06↓10.2 years↑
"Whenever you cast an instant or sorcery spell, create a 1/1 blue Human Wizard creature token."
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"Haste"
Copy Catchers70%
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"Whenever you surveil, you may pay 
. If you do, create a token that's a copy of this creature."
. If you do, create a token that's a copy of this creature."
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"Haste"