Guru Eternal

When Guru Eternal enters the battlefield,
create an emblem with "At the beginning of
your post combat main phase, if you did not
attack this turn, create X 1/3 Giant Skeleton
Monk creature tokens with Defender,
Phasing and Reach where X is the amount of
experience counters you have At the
beginning of your end step, if you didn't
attack this turn gain an experience counter.
Defender, Phasing, Partner, Reach
In death he finds only peace.