Triad of Seasons

Seasonal (As you play this card, if it isn't a season,
it becomes spring. At the beginning of your upkeep,
you may pay {1}. If you do, it becomes next season.)
Flying
As long as it's spring, Triad of Seasons has haste.
As long as it's summer, it gets +1/+1. As long as
it's autumn, it has ward {3}. As long as it's winter,
it has ''{3}, {t}: Tap target permanent.''