Slowpoke

Evolve - {2}{u/b}: Search your library for a card named Slowbro and place it onto the battlefield tapped. Exile Slowpoke.

You may sacrifice a card named Shellder rather than pay this card's Evolve cost. If you do, tap target creature you don’t control. It doesn’t untap during its controllers next untap step. Its controller mills
the top three cards of their library.