The Magic® of Friendship

If you have no lands in play, this spell cannot be countered or targeted.
When this card enters play, gain
a Friendship emblem and a Magic emblem.
Whenever Princess Twilight Sparkle enters the battlefield or attacks, you may discard 3 Horses.
If you do, search your deck for a legendary Horse
and put it onto the battlefield tapped.
Partner with Princess Twilight Sparkle