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Glyph Keeper
{3}{U}{U}
Creature -- Sphinx
5/3
Flying
Whenever ~this~ 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~ 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.)

Jetting Glasskite
{4}{U}{U}
Creature -- Spirit
4/4
Flying
Whenever ~this~ becomes the target of a spell or ability for the first time each turn, counter that spell or ability.

Kira, Great Glass-Spinner
{1}{U}{U}
Legendary Creature -- Spirit
2/2
Flying
Creatures you control have "Whenever ~this~ becomes the target of a spell or ability for the first time each turn, counter that spell or ability."

Shimmering Glasskite
{3}{U}
Creature -- Spirit
2/3
Flying
Whenever ~this~ becomes the target of a spell or ability for the first time each turn, counter that spell or ability.