{T}, Pay 1 life: Put a charge counter on Eternity Pendant. If you would lose the game, instead your life total becomes equal to the number of charge counters on Eternity Pendant, then put Eternity Pendant on top of its owner's library.
{1}, {T}: Exile target creature you control until Elsewhere Mirror leaves the battlefield. (It returns to the battlefield under its owner's control.) {3}: Choose a permanent card exiled with Elsewhere Mirror. Target creature becomes a copy of that card until end of turn.
As Drop of Envy enters the battlefield, choose a nonland permanent card name. All cards not on the battlefield, spells, and permanents with the chosen name are legendary.
When Crux Pinnacle enters the battlefield, for each color, exile up to one target permanent of that color until Crux Pinnacle leaves the battlefield. Whenever a player casts a spell, if there are five or more spells on the stack, you win the game.
Whenever a player casts a spell, put a time counter on Chronovore Clock. Then if there are ten or more time counters on it, remove all time counters from it and end the turn.
{T}, Pay 1 life: Add {B} or {G}. {1}, {T}, Sacrifice Seedy Bar: Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)