The Time Stone

Infinity Stone(Indestructible and at the beginning of
your upkeep, lose 2 life unless you control a card
named The Infinity Gauntlet)
{6}{p/u}{p/u}{t}Take an extra turn after this one,
put a time counter on The Time Stone.
At the beginning of your upkeep, if there are 2 or
more time counters on The time Stone, put
target permanent you control on top of your
library, then remove all time counters
from The Time Stone.