Arbiter of the Ideal
Creature — Sphinx
Inspired — Whenever this creature becomes untapped, reveal the top card of your library. If it's an artifact, creature, or land card, you may put it onto the battlefield with a manifestation counter on it. That permanent is an enchantment in addition to its other types.
Legal in
Pioneer, Modern, Legacy, Vintage, Commander
Rulings (7)
If an inspired ability triggers during your untap step, the ability will be put on the stack at the beginning of your upkeep. If the ability creates one or more token creatures, those creatures won’t be able to attack that turn (unless they gain haste).
2014-02-01
The permanent will be an enchantment as it enters the battlefield and will cause constellation abilities of permanents you control to trigger.
2014-02-01
Inspired abilities don’t trigger when the creature enters the battlefield.
2014-02-01
If the inspired ability includes an optional cost, you decide whether to pay that cost as the ability resolves. You can do this even if the creature leaves the battlefield in response to the ability.
2014-02-01