Starlit Mantle 

Enchantment — Aura
Flash (You may cast this spell any time you could cast an instant.)
Enchant creature you control
When this Aura enters, enchanted creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
Enchanted creature gets +1/+1.
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Accelerated Evolution 100%
$0.23#29093
"When this Aura enters, enchanted creature gains hexproof until end of turn."
+2 more matching lines
Cradle of Safety 100%
$0.16#16256
"When this Aura enters, enchanted creature gains hexproof until end of turn."
+2 more matching lines
Fae Flight 100%
$0.27#9690
"When this Aura enters, enchanted creature gains hexproof until end of turn."
+1 more matching line
Aquitect's Defenses 100%
$0.16#14841
"When this Aura enters, enchanted creature gains hexproof until end of turn."
+1 more matching line
Shardmage's Rescue 91%
$0.34#5588
"As long as this Aura entered this turn, enchanted creature has hexproof."
+1 more matching line
Maze's Mantle 82%
$0.15#20675
"When this Aura enters, if enchanted creature has toxic, that creature gains hexproof until end of turn."
+3 more matching lines