Blade-Dancer Genie

Double strike
Whenever you cast your second instant or sorcery
spell in a turn, put a +1/+1 counter on
Blade-Dancer Genie
When Blade-Dancer Genie dies, you may exile it.
If you do, return an instant or sorcery card with converted mana cost less than or equal to its
power from your graveyard to your hand.