Niblis of Frost [Eldritch Moon] Zendikar The form of the sigil

The form of the sigil is just as important as the sigil itself

keeper of the Vault

if it's the second creature spell you cast this turn

−X: Search your library for an artifact card with mana value X or less

"If fear is the only tool you have left

Niblis of Frost [Eldritch Moon] Zendikar The form of the sigilSet: Eldritch Moon Type: Creature Spirit Rarity: Rare Cost: {2}{U}{U} Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1 +1 until end of turn.) Whenever you cast an instant or sorcery spell, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.