Dancer of the Boreal Valley

Haste
Whenever Dancer of the Boreal Valley attacks, if Dancer of the Boreal Valley is equipped, Dancer
of the Boreal Valley gains double strike until end
of turn.
Whenever Dancer of the Boreal Valley deals
combat damage to a player, you may pay {u/r}{u/r}{u/r}. If you do, draw a card.