Discord

Whenever discord enters the battlefield or attacks, you may activate his activated abilities as though they had overload. The overload cost is equal to that activated ability’s mana cost.
{1}{r}: Swap target creature’s power and toughness
{2}{u}: Tap target untapped nonland permanent, while untapping target tapped nonland permanent
{3}{b}: Change the text of target permanent by replacing all instances of one keyword ability with deathtouch, first strike, flying, haste, lifelink, trample, or vigilan