The Mortal Moon

Creatures entering the battlefield don't cause abilities to trigger.
All creatures lose all abilities and have base power and toughness 1/1.
Noncreature spells cost {1} more to cast.
Nonbasic lands are Mountains.
As long as The Mortal Moon is untapped, players can't untap more than two permanents during their untap steps.
Planeswalkers are creatures with base power and toughness equal to their loyalty counters.