Santa Claus

Keep Santa face up at all times.
When you have no opponents, you win the game.
Face-up Knights are your teammates.
{t}, Exile a card from your hand or {4}, {t}:
Choose one-
•Target non-Santa player draws a card
•Target non-Santa player adds three mana in any combination of colors to their mana pool.
•Target non-Santa player gains 5 life.