Landon, Virtuous Mage

When Landon, Virtuous Mage comes into play,
tap all creatures (they do not untap during controller's next untap phase)
{2}{t}- Each player taps creature with highest
power.
{w}{u}{5}- Sacrifice Landon, Virtuous Mage,
destroy all creatures on the battlefield.
The sun rises and sets in Landonian blue.