Sand Soldier

Myriad (Whenever this creature attacks, for each opponent other than defending player, you may create
a token that's a copy of this creature that's tapped and attacking that player or a planeswalker they control.
If one or more tokens are created this way, exile
the tokens at end of combat.)
Vanishing 1 (This permanent enters the battlefield
with 1 time counters on it. At the beginning of your
upkeep, remove a time counter from it. When the last
is removed, sacrifice it.)