Petra Sphinx [Legends] Prophecy −X: Exile each permanent with

−X: Exile each permanent with converted mana cost X or less that's one or more colors

put a -0/-1 counter on it

If any creatures with banding you control are blocking or being blocked by a creature

Put the rest on the bottom of your library

Set: Friday Night Magic 2002 Type: Instant Rare Cost: {1}{U}{U} Buyback—Discard two cards

Petra Sphinx [Legends] Prophecy −X: Exile each permanent withSet: 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?