Leonin Relic-Warder [Mystery Booster] Condition:Near Mint and a black creature: Search

and a black creature: Search your library for a card named Sphinx Sovereign and put it onto the battlefield

Set: Journey into Nyx Type: Creature — Dog Rarity: Uncommon Cost: {4}{R} {5}{R}{R}: Monstrosity 1

{1}{G}{G}{G}: Create a 2/2 green Ooze creature token

Why am I seeing that now

defending player reveals the top card of their library

Leonin Relic-Warder [Mystery Booster] Condition:Near Mint and a black creature: SearchSet: Mystery Booster Type: Creature Cat Cleric Rarity: Uncommon Cost: {W}{W} When Leonin Relic Warder enters the battlefield, you may exile target artifact or enchantment. When Leonin Relic Warder leaves the battlefield, return the exiled card to the battlefield under its owner's control.