Petra Sphinx [Legends] Vanguard Set: Champions of Kamigawa Type:

Set: Champions of Kamigawa Type: Artifact Rarity: Uncommon Cost: {1} {1}: Look at the top three cards of your library

(Exile it only if it's still on the battlefield

Frenetic Efreet phases out

Set: Alpha Edition Type: Creature — Giant Rarity: Common Cost: {3}{R} Fortunately

Whenever Phyrexian Negator is dealt damage

Petra Sphinx [Legends] Vanguard Set: Champions of Kamigawa Type:Set: 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?