Glyph Keeper 


Creature — Sphinx
Flying
Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability.
Embalm {5}{U}{U} ({5}{U}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Sphinx with no mana cost. Embalm only as a sorcery.)
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Cards that do something similar expected a card that isn't here?
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Shimmering Glasskite 100%
$0.21#30391
"Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability."
+1 more matching line
Jetting Glasskite 100%
$0.11#30703
"Whenever this creature becomes the target of a spell or ability for the first time each turn, counter that spell or ability."
Frost Titan 85%
$0.42#9433
"Whenever this creature becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}."
Reality Smasher 81%
$1.20#10363
"Whenever this creature becomes the target of a spell an opponent controls, counter that spell unless its controller discards a card."