Metallic Rebuke 
Instant
$0.27 #10930 0.17 9.6 years
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for 
.)
.)Counter target spell unless its controller pays 
.
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Enraged Giant96%
$0.02↓#28877↓0.119.6 years
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Foundry Assembler96%
$0.15↓#23319↓0.07↓9.6 years
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Bastion Inventor96%
$0.02↓#28557↓0.27↑9.6 years
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Sweatworks Brawler96%
$0.04↓#29491↓0.47↑9.6 years
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Wind-Kin Raiders96%
$0.04↓#31018↓0.47↑9.6 years
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
It'll Quench Ya!95%
$0.27#3783↑0.00↓0.8 years↓
"Counter target spell unless its controller pays ."
."
Mana Tithe95%
$0.78↑#2148↑0.47↑19.6 years↑
"Counter target spell unless its controller pays ."
."
Barricade Breaker94%
$0.11↓#20149↓0.00↓9.6 years
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Battle at the Bridge92%
$0.29↑#116080.68↑9.6 years
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Universal Surveillance92%
$0.25↓#5391↑0.04↓4.5 years↓
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Reverse Engineer92%
$0.19↓#7977↑0.50↑9.7 years
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Maverick Thopterist92%
$0.09↓#18937↓0.00↓9.6 years
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Bottle-Cap Blast92%
$4.62↑#4048↑0.34↑2.5 years↓
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Complicate92%
$0.26↓#13481↓0.33↑23.9 years↑
"Counter target spell unless its controller pays ."
."
Censor92%
$0.21↓#13352↓0.56↑9.4 years
"Counter target spell unless its controller pays ."
."
Spell Snip92%
$0.12↓#27124↓0.45↑17.9 years↑
"Counter target spell unless its controller pays ."
."
Sly Requisitioner90%
$0.10↓#18060↓0.28↑9.6 years
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Arc Reactor90%
$1.19↑#6756↑0.00↓0.2 years↓
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Freejam Regent90%
$0.17↓#25702↓0.43↑9.6 years
"Improvise Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for ."
."
Lookout's Dispersal90%
$0.24↓#105420.40↑8.9 years
"Counter target spell unless its controller pays 
."
."