Vertigo Spawn

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Rulings:

• 2/1/2006 If the creature was already tapped when Vertigo Spawn blocked it, that creature still won’t untap during its controller’s next untap step.
• 2/1/2006 If two Vertigo Spawns block the same creature, both abilities trigger, but each only affects the creature during its controller’s next untap step. The creature can untap during its controller’s untap step following that one.