Ethereal Haze 
Instant — Arcane
Prevent all damage that would be dealt by creatures this turn.
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Cards that do something similar expected a card that isn't here?
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Chant of Vitu-Ghazi 98%
$0.27#12097
"Prevent all damage that would be dealt by creatures this turn. You gain life equal to the damage prevented this way."
Blinding Fog 94%
$0.15#10449
"Prevent all damage that would be dealt to creatures this turn. Creatures you control gain hexproof until end of turn."
Crystal Fragments // Summon: Alexander 90%
$0.18#7674
"Prevent all damage that would be dealt to creatures you control this turn."
Endure 84%
$0.14#26800
"Prevent all damage that would be dealt to you and permanents you control this turn."
Personal Sanctuary 83%
$0.31#22552
"During your turn, prevent all damage that would be dealt to you."
Safe Passage 83%
$0.16#10745
"Prevent all damage that would be dealt to you and creatures you control this turn."
Gideon Blackblade 82%
$1.30#8620
"Prevent all damage that would be dealt to this card during your turn."
Eerie Interference 82%
$0.21#8947
"Prevent all damage that would be dealt to you and creatures you control this turn by creatures."