Petra Sphinx [Legends] Equipment Set: Rise of the Eldrazi

Set: Rise of the Eldrazi Type: Legendary Creature — Eldrazi Mythic Cost: {15} This spell can't be countered

(A permanent with shroud can't be the target of spells or abilities

) Equipped creature gets +4/+4 and has vigilance and lifelink

Set: Visions Type: Enchantment Uncommon Cost: {2}{B} You may cast Necromancy as though it had flash

Until that player's next turn

Petra Sphinx [Legends] Equipment Set: Rise of the EldraziSet: Legends Type: Creature Sphinx 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?