Zephyr Voss, Boiler Boss

As an additional cost to cast Zephyr Voss, Boiler Boss exile a red instant or sorcery card and a blue instant or sorcery card from your hand
Whenever you cast a spell that is both blue and red you may cast all cards exiled with Zephyr Voss, Boiler Boss without paying their mana costs and as though they had flash.
As an urchin she was nothing, as a boiler boss she is powerful