You Can\'t Do Anything

Players can cast spells and activate abilities only during their own turns.

Flying Whenever the fourth spell of a turn is cast, flip Erayo.

Whenever an opponent casts their first spell each turn, counter that spell.

Flying Creatures can't attack you.

Flash Creature cards you own that aren't on the battlefield have flash. Each opponent can cast spells only any time they could cast a sorcery.

Activated abilities of creatures can't be activated.

Each player can't cast more than one spell each turn.