Petra Sphinx [Legends] Garruk At the beginning of the

At the beginning of the upkeep of enchanted artifact's controller

then find where it hides in the world

If you would begin your turn while Time Vault is tapped

{T}: Prevent all damage that would be dealt to you this turn by attacking creatures without flying

Set: Shadows over Innistrad Prerelease Promos Type: Legendary Creature — Frog Horror Rarity: Mythic Cost: {3}{B}{G} Deathtouch

Petra Sphinx [Legends] Garruk At the beginning of theSet: Legends Type: Creature Sphinx Rarity: Rare Cost: {2}{W}{W}{W} {T}: Target player chooses a card name, then reveals the top card of their library. If that card has the chosen name, that player puts it into their hand. If it doesn't, the player puts it into their graveyard. What walks on four legs in the morning, two legs in the afternoon, and three legs in the evening?