Petra Sphinx [Legends] Magic 2015 Set: Pro Tour Promos Type:

Set: Pro Tour Promos Type: Creature — Avatar Rarity: Rare Cost: {6}{B}{B} If there are ten or more creature cards total in all graveyards

(You may discard two cards in addition to any other costs as you cast this spell

Set: Kaladesh Prerelease Promos Type: Legendary Planeswalker — Dovin Rarity: Mythic Cost: {2}{W}{U} +1: Until your next turn

Your opponents can't gain life

you gain 3 life and you may return up to one target creature card from your graveyard to your hand

Petra Sphinx [Legends] Magic 2015 Set: Pro Tour Promos Type:Set: 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?