Petra Sphinx [Legends] BW52 Set: Urza's Saga Type: Artifact

Set: Urza's Saga Type: Artifact Rarity: Rare Cost: {2} At the beginning of your upkeep

Set: Duel Terminal 3 Card type: Effect Monster Rarity: Rare Attack: 1000 Defense: 1600 This card gains 100 DEF for each Reptile-Type "Worm" monster in your Graveyard

except as lures

Set: OTS Tournament Pack 18 Card type: Effect Monster Rarity: Super Rare Attack: 2100 Defense: 1000 Once per turn

•Green Gadget: This card gains 300 ATK

Petra Sphinx [Legends] BW52 Set: Urza's Saga Type: ArtifactSet: 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?