Rhonas the Strategist

When Rhonas the Strategist enters the battlefield,
you may place the top 3 cards of your deck under
this card . When your opponent casts a {2} or
lower spell , you may return this card to your
hand, then flip one one of the cards over ; Cancel
the spell. The cards in the pile count as {w/b} for
this card's Mana Cost .