Petra Sphinx [Legends] Portal the iron became steel

the iron became steel

Set: Fifth Edition Type: Enchantment Rarity: Rare Cost: {B}{B}{B}

Set: Unlimited Edition Type: Enchantment Rarity: Rare Cost: {B}{B}{B}{B}

Once their place is secured

{T}: Add {G}{U}

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