When you cast Solomon, create a 0/1 colorless Mirage creature token with “Sacrifice this creature: Target permanent you control phases out.”

Vanishing 4

If Solomon would leave the battlefield and he has no time counters on him, instead exile him then return him to the battlefield transformed under his owner’s control.

4/5

Xaiah, the Usurper

Legendary Enchantment Planeswalker — Xaiah

At the beginning of combat on your turn, you may have Xaiah become a copy of a creature card a player owns in exile until end of turn except it’s an enchantment in addition to its other types and has flying and hexproof.

+2: Each opponent exiles the top three cards of their library and loses 3 life. You gain 3 life.

-3: Exile target creature.

-10: Exile all nonenchantment, nonland permanents.

Loyalty: 7