Istrisa, Drowner of Secrets

Meld
Itrisa, Drowner of Secrets cannot be countered.
Equipped creature gets +1/+1.
When equipped creature attacks as one, exile the
top card of your library.
When equipped creature attacks as a pair,
you may cast one of the cards exiled with Itrisa, Drowner of Secrets.
Itrisa always wished she had been born a dolphin.