Stormcaller's Boon

Sacrifice Stormcaller's Boon: Creatures you control gain flying until end of turn.
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

牺牲唤雷师的恩泽：由你操控的生物获得飞行异能直到回合结束。
倾曳 （当你使用此咒语时，从你的牌库顶开始将牌移出对战，直到移出一张费用比此咒语低且不是地的牌为止。 你可以使用该牌，并且不需支付其法术力费用。 将所移出对战的牌以随机顺序置于牌库底。）