Magmatic Chasm 
Sorcery
$0.07 #18249 0.25 11.6 years
Creatures without flying can't block this turn.
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Cards similar to Magmatic Chasm expected a card that isn't here?
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Seismic Stomp100%
$0.04↓#190080.11↓13.3 years↑
"Creatures without flying can't block this turn."
Falter100%
$0.12↑#216650.2828.0 years↑
"Creatures without flying can't block this turn."
Seismic Elemental96%
$0.07#27279↓0.06↓11.3 years
"When this creature enters, creatures without flying can't block this turn."
Destructive Tampering94%
$0.02↓#187510.38↑9.7 years↓
"• Creatures without flying can't block this turn."
Bower Passage94%
$0.66↑#8782↑0.3514.5 years↑
"Creatures with flying can't block creatures you control."
Bedlam93%
$1.15↑#6991↑0.89↑28.0 years↑
"Creatures can't block."
Order // Chaos90%
$0.10↑#195260.06↓25.4 years↑
"Creatures can't block this turn."
Eunuchs' Intrigues86%
$7.95↑#30867↓0.2527.5 years↑
"Target opponent chooses a creature they control. Other creatures they control can't block this turn."
Goblin War Cry86%
$4.89↑#27126↓0.37↑28.3 years↑
"Target opponent chooses a creature they control. Other creatures they control can't block this turn."
Tectonic Rift86%
$0.05↓#189160.79↑15.3 years↑
"Destroy target land. Creatures without flying can't block this turn."
Awe for the Guilds85%
$0.10↑#25348↓0.44↑13.5 years↑
"Monocolored creatures can't block this turn."
Blinding Flare84%
$0.20↑#23216↓0.12↓12.5 years
"Any number of target creatures can't block this turn."
Gruul Charm84%
$0.23↑#11235↑0.00↓13.7 years↑
"• Creatures without flying can't block this turn."
Stoneshock Giant84%
$0.03↓#24299↓0.00↓13.1 years↑
"When this creature becomes monstrous, creatures without flying your opponents control can't block this turn."
Cosmotronic Wave84%
$0.15↑#11405↑0.358.0 years↓
"this card deals 1 damage to each creature your opponents control. Creatures your opponents control can't block this turn."
Hazardous Blast84%
$0.21↑#10524↑0.38↑3.7 years↓
"this card deals 1 damage to each creature your opponents control. Creatures your opponents control can't block this turn."
Ruthless Invasion83%
$0.19↑#211640.3015.4 years↑
"Nonartifact creatures can't block this turn."
Headliner Scarlett83%
$4.34↑#8666↑0.57↑2.7 years↓
"When this card enters, creatures target player controls can't block this turn."
Fire of Orthanc83%
$0.20↑#12645↑0.50↑3.3 years↓
"Destroy target artifact or land. Creatures without flying can't block this turn."
Razorjaw Oni82%
$0.18↑#29372↓0.50↑21.4 years↑
"Black creatures can't block."