Eevee

When this creature enters the battlefield, you may search your library for an evolution stone, reveal it, and put in your hand. If you do, shuffle your library.

Evolve - Sacrifice one of the following evolution stones, then search your library for the corresponding creature and place it onto the battlefield tapped:
• Water Stone - Vaporeon
• Thunder Stone - Jolteon
• Fire Stone - Flareon

Exile Eevee