Dragon Knight Shrine

Dragon Knight Shrine enters the battlefield
tapped under nobody's control (Marshall
searches his library for a basic land card, reveals
it, puts it onto the battlefield, then shuffles.)
Any play may activate this cards abilities.
{2}, Tap two untapped creatures you control: You
may tap or untap Dragon Knight Shrine.
{5}, {t}, Tap an untapped creature you control: It
loses all abilities and becomes a 10/10 Dragon
Knight creature with trample until end of turn.
Untap it.Activate only