Dragon Knight Shrine

Dragon Knight Shrine enters the battlefield
tapped under nobody's control (Marshall searches
his library for a basic land card, puts it onto the battlefield, then shuffles. All players may activate
Dragon Knight Shrine's abilities.)
{2}, Tap two untapped non-token creatures you control: Tap or untap Dragon Knight Shrine.
{8}, {t}, Tap an untapped non-token creature you control: It loses all abilities and becomes a 10/10
Dragon Knight creature with trample until end
of turn. Untap it. Act