Petra Sphinx [Legends] Planechase If both targets are still

If both targets are still legal as this ability resolves

Set: Tempest Promos Type: Creature — Wurm Rarity: Rare Cost: {4}{G} Whenever an opponent plays a land

{U}: Counter target spell with the chosen name

Whenever an opponent draws a card

Petra Sphinx [Legends] Planechase If both targets are stillSet: 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?