Arena of the Ancients

, : Tap all other artifacts. They don't untap during their controllers' untap steps for as long as this artifact remains tapped.

Creatures with power 1 or less don't untap during their controllers' untap steps.

This creature doesn't untap during your untap step.

Whenever an artifact enters, you may untap this creature.

When this artifact enters, draw a card.

, Sacrifice this artifact: Target creature doesn't untap during its controller's next untap step.

Whenever a nontoken creature enters, if this artifact is untapped, that creature's controller creates a 1/1 colorless Myr artifact creature token.

Players can't untap more than one artifact during their untap steps.