Serra, Light of Dominaria

+1: Draw up to three cards. For each card above one that you drew this way, remove a loyalty counter from Serra. If you can't, discard your hand.
0: Search your library for a basic Plains card, and put it onto the battlefield tapped.
-4: Create a colorless legendary land token named Serra's Realm. It has hexproof and "{t}: Add {w}{w}{w}. Draw a card. You gain 3 life."