Etherium Spinner 
Artifact Creature — Human Wizard
$0.21 #14066 0.25 5.2 years
Whenever you cast a spell with mana value 4 or greater, create a 1/1 colorless Thopter artifact creature token with flying.
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Efficient Construction89%
$0.45↑#2631↑0.269.6 years↑
"Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying."
Skybeast Tracker84%
$0.13↓#22462↓0.293.0 years↓
"Whenever you cast a spell with mana value 5 or greater, create a Food token."
Myrsmith83%
$0.14↓#7878↑0.06↓15.9 years↑
"Whenever you cast an artifact spell, you may pay 
. If you do, create a 1/1 colorless Myr artifact creature token."
. If you do, create a 1/1 colorless Myr artifact creature token."
Kalemne, Disciple of Iroas83%
$14.57↑#8437↑0.00↓10.8 years↑
"Whenever you cast a creature spell with mana value 5 or greater, you get an experience counter."
Station Monitor82%
$0.17↓#163260.01↓1.1 years↓
"Whenever you cast your second spell each turn, create a 1/1 colorless Drone artifact creature token with flying and "This token can block only creatures with flying.""
Kurgadon82%
$0.19↓#28580↓0.06↓23.3 years↑
"Whenever you cast a creature spell with mana value 6 or greater, put three +1/+1 counters on this creature."
Stormkeld Prowler82%
$0.13↓#25733↓0.353.0 years↓
"Whenever you cast a spell with mana value 5 or greater, put two +1/+1 counters on this creature."
Ascendant Packleader81%
$0.38↑#8310↑0.50↑4.8 years
"Whenever you cast a spell with mana value 4 or greater, put a +1/+1 counter on this creature."
Lurking Lizards81%
$0.11↓#18848↓0.261.0 years↓
"Whenever you cast a spell with mana value 4 or greater, put a +1/+1 counter on this creature."
Sai, Master Thopterist80%
$0.38↑#820↑0.248.1 years↑
"Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying."
Pinnacle Emissary79%
$1.55↑#5634↑0.311.1 years↓
"Whenever you cast an artifact spell, create a 1/1 colorless Drone artifact creature token with flying and "This token can block only creatures with flying.""
Whirlermaker79%
$0.06↓#19909↓0.00↓9.9 years↑
"
, 
: Create a 1/1 colorless Thopter artifact creature token with flying."
, : Create a 1/1 colorless Thopter artifact creature token with flying."
Kozilek's Unsealing78%
$0.32↑#2804↑0.272.2 years↓
"Whenever you cast a creature spell with mana value 4, 5, or 6, create two 0/1 colorless Eldrazi Spawn creature tokens with "Sacrifice this token: Add 
.""
.""
Thunderous Snapper78%
$0.19↓#116030.246.9 years↑
"Whenever you cast a spell with mana value 5 or greater, draw a card."
Iron Man, Tony Stark77%
$3.75↑#18208↓0.00↓0.2 years↓
"Whenever you cast a red spell, create a 2/1 colorless Robot Hero artifact creature token with flying."
Ravenous Robots76%
$1.45↑#7969↑0.00↓0.5 years↓
"Whenever you cast an artifact spell, create a 1/1 colorless Robot artifact creature token."
Clarion Spirit76%
$0.20↓#7049↑0.05↓5.6 years
"Whenever you cast your second spell each turn, create a 1/1 white Spirit creature token with flying."
Zuri, Warrior of Wakanda76%
$0.23↑#17897↓0.00↓0.2 years↓
"Whenever you cast an artifact spell with mana value 4 or greater, put a +1/+1 counter on each creature you control."
Sigil of the Empty Throne75%
$0.54↑#1355↑0.39↑17.6 years↑
"Whenever you cast an enchantment spell, create a 4/4 white Angel creature token with flying."
Obscura Ascendancy74%
$0.08↓#24513↓0.354.4 years
"Whenever you cast a spell, if its mana value is equal to 1 plus the number of soul counters on this enchantment, put a soul counter on this enchantment, then create a 2/2 white Spirit creature token with flying."