Magmatic Chasm 
Sorcery
$0.05 #18027 0.13 11.4 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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Falter100%
$0.11↑#214980.0627.9 years↑
"Creatures without flying can't block this turn."
Seismic Stomp100%
$0.04↓#188040.0413.1 years↑
"Creatures without flying can't block this turn."
Seismic Elemental96%
$0.07↑#26832↓0.39↑11.1 years
"When this creature enters, creatures without flying can't block this turn."
Destructive Tampering94%
$0.02↓#184670.29↑9.6 years↓
"• Creatures without flying can't block this turn."
Bower Passage94%
$0.77↑#8549↑0.26↑14.3 years↑
"Creatures with flying can't block creatures you control."
Bedlam93%
$0.90↑#6936↑0.68↑27.9 years↑
"Creatures can't block."
Order // Chaos90%
$0.06↑#193020.38↑25.3 years↑
"Creatures can't block this turn."
Eunuchs' Intrigues86%
$7.95↑#30650↓0.73↑27.3 years↑
"Target opponent chooses a creature they control. Other creatures they control can't block this turn."
Goblin War Cry86%
$4.91↑#26739↓0.1628.2 years↑
"Target opponent chooses a creature they control. Other creatures they control can't block this turn."
Tectonic Rift86%
$0.05#187670.67↑15.1 years↑
"Destroy target land. Creatures without flying can't block this turn."
Awe for the Guilds85%
$0.10↑#25108↓0.47↑13.3 years↑
"Monocolored creatures can't block this turn."
Blinding Flare84%
$0.17↑#22886↓0.1112.3 years
"Any number of target creatures can't block this turn."
Gruul Charm84%
$0.17↑#11073↑0.40↑13.6 years↑
"• Creatures without flying can't block this turn."
Stoneshock Giant84%
$0.03↓#23905↓0.1212.9 years↑
"When this creature becomes monstrous, creatures without flying your opponents control can't block this turn."
Cosmotronic Wave84%
$0.12↑#11267↑0.26↑7.9 years↓
"this card deals 1 damage to each creature your opponents control. Creatures your opponents control can't block this turn."
Hazardous Blast84%
$0.18↑#10269↑0.33↑3.6 years↓
"this card deals 1 damage to each creature your opponents control. Creatures your opponents control can't block this turn."
Ruthless Invasion83%
$0.20↑#209960.2115.3 years↑
"Nonartifact creatures can't block this turn."
Headliner Scarlett83%
$4.32↑#8555↑0.62↑2.5 years↓
"When this card enters, creatures target player controls can't block this turn."
Fire of Orthanc83%
$0.16↑#12527↑0.50↑3.2 years↓
"Destroy target artifact or land. Creatures without flying can't block this turn."
Razorjaw Oni82%
$0.17↑#28938↓0.1221.3 years↑
"Black creatures can't block."