Petra Sphinx [Legends] Naga Cleric Those creatures gain vigilance until

Those creatures gain vigilance until end of turn

When Eternal Scourge becomes the target of a spell or ability an opponent controls

{T}: Exchange target opponent's life total with Tree of Perdition's toughness

Before the Sun Empire was born

Petra Sphinx [Legends] Naga Cleric Those creatures gain vigilance untilSet: 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?