Staff of the Devil's Chain

Devoid (This card has no color.)
Whenever a player activates a loyalty ability of a permanent they control and Staff of the Devil's
Chain is untapped, put an empower counter on
it. Then, any other player may pay X life, where
X is the number of empower counters on Staff
of the Devil's Chain. If they do and X is 10 or
more, end the turn.
{t}, Pay X life: If X is 10 or more, take an extra
turn after this one. Staff of the Devil's Chain
cannot be untapped during the extra turn.