Never-Ending Prism

When Never-Ending Prism enters the battlefield, search your library for a card named Never-Ending Prism and put it into your hand.
When Never-Ending Prism enters the battlefield, draw a card.
When Never-Ending Prism leaves the battlefield, shuffle it into your library or exile it.
If Never-Ending Prism is exiled, make a token that is a copy of Never-Ending Prism. All Enter battlefield affects still apply. Draw 3 cards.
{3}{t}: Sacrifice Never-Ending Prism