Iris, Deceitful Flower

Iris, Deceitful Flower enters the battlefield with
power and toughness equal to that of target
creature with the least power on the battlefield.
{t}, Discard a card: Search your library for a
card and exile it, then shuffle your library.
{x}: Iris gains all abilities of target creature
exiled with her with converted mana cost X, and
loses all abilities formerly gained this way.