Desynchronized Core

Cumulative upkeep — Desynchronized Core
deals 1 damage to target creature you control. If
you control no creature, instead it deals 1 damage
to you.
{1}, {t}: Add an amount of mana equal to the
number of age counters on Desynchronized Core
in any combination of {u} and {r}.
"It still powers the Aljaxi System. But for how long ? "
— Triarch Davanos