Mikaeus, the Unhallowed - (Foil): Ultimate Masters Time Spiral Timeshifted you may reveal it and

you may reveal it and put a quest counter on Quest for Ula's Temple

Whenever Questing Beast deals combat damage to an opponent

you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it

Whenever a creature enters the battlefield under an opponent's control

Mikaeus, the Unhallowed - (Foil): Ultimate Masters Time Spiral Timeshifted you may reveal it andIntimidate (This creature can't be blocked except by artifact creatures and or creatures that share a color with it.) Whenever a Human deals damage to you, destroy it. Other non Human creatures you control get +1 +1 and have undying. (When a creature with undying dies, if it had no +1 +1 counters on it, return it to the battlefield under its owner's control with a +1 +1 counter on it.)