Mirror Universe - Legends (LEG){T}, Sacrifice Mirror Universe: Exchange life totals with target opponent. Activate only during your upkeep.

While most power is used for ordinary

Players can cast spells only during their own turns

Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures

Vedalken eyes don't see the beauty in things

Change the text of target spell or permanent by replacing all instances of one creature type with another

Target player draws X cards and loses X life

you gain that much life

You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield

and you may activate Comet

Discard a card: If the discarded card was a land card

Creatures you control can't attack

Whenever a permanent an opponent controls is put into a graveyard from the battlefield