Zystra, the One Man Band

Your starting deck can have only one card named Zystra, the One Man Band.

When Zystra, the One Man Band enters the battlefield, shuffle it into your library then draw a card. If you've cast a card named Zystra, the One Man Band twice this game, you gain twenty life and you may discard your hand and draw that many cards. If you've cast a card named Zystra the One Man Band three times this game, take an extra turn after this one. If you've cast a card named Zystra, the One Man Band four times