Go, Fight, WIN!

When Go, Fight, WIN! enters the battlefield,
you may play an additional land for 3 turns. If
you do, you gain hexproof until the end of
those turns.
{1}{x}: You may tap up to X creatures.
{2}{x}: You may untap up X creatures.
{3}: You control target player's next turn.
{2}, Sacrifice Go, Fight, WIN!: draw a card, target opponent loses 2 life, you gain 2 life.
You may activate Go, Fight, WIN!'s abilities twice.