Petra Sphinx [Legends] Amonkhet Invocations created by an unknown hand

created by an unknown hand to enforce justice

Set: Alpha Edition Type: Sorcery Rarity: Common Cost: {B}{B} Destroy target land

Set: Alpha Edition Type: Artifact Creature — Golem Rarity: Uncommon Cost: {6} "The foot stone is connected to the ankle stone

and truth as fleeting

Petra Sphinx [Legends] Amonkhet Invocations created by an unknown handSet: 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?