Forge Armor 
Instant
$0.18 #29309 0.06 23.0 years
As an additional cost to cast this spell, sacrifice an artifact.
Put X +1/+1 counters on target creature, where X is the sacrificed artifact's mana value.
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Cards similar to Forge Armor expected a card that isn't here?
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Kuldotha Rebirth88%
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"As an additional cost to cast this spell, sacrifice an artifact."
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"As an additional cost to cast this spell, sacrifice an artifact or creature."
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"As an additional cost to cast this spell, sacrifice an artifact or creature."
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$0.08↓#19272↑0.073.9 years↓
"As an additional cost to cast this spell, sacrifice an artifact or creature."
Voltage Surge82%
$0.12↓#20083↑0.064.7 years↓
"As an additional cost to cast this spell, you may sacrifice an artifact."
Shrapnel Blast82%
$0.28↑#18199↑0.0623.0 years
"As an additional cost to cast this spell, sacrifice an artifact."
Incendiary Sabotage82%
$0.04↓#274130.0010.1 years↓
"As an additional cost to cast this spell, sacrifice an artifact."
Trash for Treasure82%
$0.92↑#3919↑0.48↑23.0 years
"As an additional cost to cast this spell, sacrifice an artifact."
Costly Plunder82%
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"As an additional cost to cast this spell, sacrifice an artifact or creature."
Fanatical Offering81%
$1.12↑#4629↑0.032.9 years↓
"As an additional cost to cast this spell, sacrifice an artifact or creature."
Improvised Club80%
$0.14↓#18365↑0.003.3 years↓
"As an additional cost to cast this spell, sacrifice an artifact or creature."
Deadly Dispute80%
$0.27↑#131↑0.105.2 years↓
"As an additional cost to cast this spell, sacrifice an artifact or creature."
Artillerize79%
$0.04↓#234570.0015.4 years↓
"As an additional cost to cast this spell, sacrifice an artifact or creature."
Splitting the Powerstone78%
$0.11↓#21867↑0.24↑3.9 years↓
"As an additional cost to cast this spell, sacrifice an artifact."
Reshape78%
$3.70↑#3146↑0.63↑22.7 years
"As an additional cost to cast this spell, sacrifice an artifact."
+1 more matching line
Eviscerator's Insight78%
$0.25↑#3930↑0.002.3 years↓
"As an additional cost to cast this spell, sacrifice an artifact or creature."
Vulshok War Boar78%
$0.06↓#316780.0622.7 years
"When this creature enters, sacrifice it unless you sacrifice an artifact."
Accelerated Mutation77%
$0.13↓#253690.0023.4 years
"Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control."
Wicked Reward77%
$0.09↓#300910.22↑30.0 years↑
"As an additional cost to cast this spell, sacrifice a creature."
Dusk Rose Reliquary76%
$0.24↑#9544↑0.40↑2.9 years↓
"As an additional cost to cast this spell, sacrifice an artifact or creature."